Orion Energy Systems (OESX) 10-K 12 Jun 15 2014 FY Annual report Financial data

Document_and_Entity_Informatio

Document and Entity Information (USD $)	12 Months Ended
In Millions, except Share data, unless otherwise specified	Mar. 31, 2015	Jun. 05, 2015	Sep. 30, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	ORION ENERGY SYSTEMS, INC.
Entity Central Index Key	1409375
Document Type	10-K
Document Period End Date	31-Mar-15
Amendment Flag	FALSE
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	-28
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Entity Public Float			$84.60
Entity Common Stock, Shares Outstanding		27,551,188

Consolidated_Balance_Sheets

Consolidated Balance Sheets (USD $)	Mar. 31, 2015	Mar. 31, 2014
In Thousands, unless otherwise specified
Assets
Cash and cash equivalents	$20,002	$17,568
Short-term investments	0	470
Accounts receivable, net of allowances of $384 and $458	18,263	15,098
Inventories, net	14,283	11,790
Deferred contract costs	90	742
Prepaid expenses and other current assets	2,407	4,673
Total current assets	55,045	50,341
Property and equipment, net	21,223	23,135
Long-term inventory	0	10,607
Goodwill	4,409	4,409
Other intangible assets, net	6,335	7,551
Long-term accounts receivable	426	1,966
Other long-term assets	367	931
Total assets	87,805	98,940
Liabilities and Shareholders’ Equity
Accounts payable	11,003	8,530
Accrued expenses and other	5,197	4,597
Deferred revenue, current	287	614
Current maturities of long-term debt	1,832	3,450
Total current liabilities	18,319	17,191
Revolving credit facility	2,500	0
Long-term debt, less current maturities	722	3,151
Deferred revenue, long-term	1,231	1,316
Other long-term liabilities	522	270
Total liabilities	23,294	21,928
Commitments and contingencies
Shareholders’ equity:
Preferred stock, $0.01 par value: Shares authorized: 30,000,000 shares at March 31, 2014 and 2015; no shares issued and outstanding at March 31, 2014 and 2015	0	0
Common stock, no par value: Shares authorized: 200,000,000 at March 31, 2014 and 2015; shares issued: 31,001,683 and 36,837,864 at March 31, 2014 and 2015; shares outstanding: 21,588,326 and 27,421,533 at March 31, 2014 and 2015	0	0
Additional paid-in capital	150,516	130,987
Treasury stock: 9,413,357 and 9,416,331 common shares at March 31, 2014 and 2015	-36,049	-36,034
Shareholder notes receivable	-4	-50
Retained deficit	-49,952	-17,891
Total shareholders’ equity	64,511	77,012
Total liabilities and shareholders’ equity	$87,805	$98,940

Consolidated_Balance_Sheets_Pa

Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2015	Mar. 31, 2014
In Thousands, except Share data, unless otherwise specified
Allowance for doubtful accounts receivable	$458	$384
Preferred stock, par value	$0.01	$0.01
Preferred stock, shares authorized	30,000,000	30,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$0	$0
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	36,837,864	31,001,683
Common stock, shares outstanding	27,421,533	21,588,326
Treasury stock, shares	9,416,331	9,413,357

Consolidated_Statements_of_Ope

Consolidated Statements of Operations (USD $)	12 Months Ended
In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Product revenue	$65,881	$71,954	$72,604
Service revenue	6,329	16,669	13,482
Total revenue	72,210	88,623	86,086
Cost of product revenue	68,388	54,423	49,551
Cost of service revenue	4,959	11,220	9,805
Total cost of revenue	73,347	65,643	59,356
Gross profit (loss)	-1,137	22,980	26,730
Operating expenses:
General and administrative	14,908	14,951	13,946
Acquisition and integration related expenses	47	819	0
Sales and marketing	13,290	13,527	17,129
Research and development	2,554	2,026	2,259
Total operating expenses	30,799	31,323	33,334
Loss from operations	-31,936	-8,343	-6,604
Other income (expense):
Interest expense	-376	-481	-567
Interest income	300	567	845
Total other income (expense)	-76	86	278
Loss before income tax	-32,012	-8,257	-6,326
Income tax expense (benefit)	49	-2,058	4,073
Net loss and comprehensive loss	($32,061)	($6,199)	($10,399)
Basic net loss per share attributable to common shareholders	($1.43)	($0.30)	($0.50)
Weighted-average common shares outstanding	22,353,419	20,987,964	20,996,625
Diluted net loss per share	($1.43)	($0.30)	($0.50)
Weighted-average common shares and share equivalents outstanding	22,353,419	20,987,964	20,996,625

Consolidated_Statement_of_Shar

Consolidated Statement of Shareholders' Equity (USD $)	Total	Common Stock, Shares	Common Stock, Additional Paid-in Capital	Treasury Stock	Shareholder Notes Receivable	Retained Earnings (Deficit)
In Thousands, except Share data, unless otherwise specified	USD ($)		USD ($)	USD ($)	USD ($)	USD ($)
Shareholders' equity, beginning of period at Mar. 31, 2012	$92,769		$126,753	($32,470)	($221)	($1,293)
Common stock shares, at beginning of period at Mar. 31, 2012		22,785,258
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock and warrants for services, shares		33,422
Issuance of stock and warrants for services	71		71
Exercise of stock options and warrants for cash, shares		20,000
Exercise of stock options and warrants for cash	45		45
Shares issued under Employee Stock Purchase Plan, shares		47,598
Shares issued under Employee Stock Purchase Plan	13		1	94	-82
Tax benefit from exercise of stock options	70		70
Collection of shareholder notes receivable	38				38
Stock-based compensation	1,164		1,164
Treasury stock purchase, shares		-2,723,881
Treasury stock purchase	-6,002			-6,002
Net income (loss)	-10,399					-10,399
Shareholders' equity, end of period at Mar. 31, 2013	77,769		128,104	-38,378	-265	-11,692
Common stock shares, at end of period at Mar. 31, 2013		20,162,397
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock and warrants for services, shares		33,641
Issuance of stock and warrants for services	129		129
Exercise of stock options and warrants for cash, shares		446,059
Exercise of stock options and warrants for cash	1,152		1,152
Shares issued under Employee Stock Purchase Plan, shares	2,373	2,373
Shares issued under Employee Stock Purchase Plan	6		-4	10
Tax benefit from exercise of stock options	13		13
Collection of shareholder notes receivable	215				215
Stock-based compensation, shares		23,084
Stock-based compensation	1,593		1,593
Treasury stock purchase, shares		-20,168
Treasury stock purchase	-48			-48
Net income (loss)	-6,199					-6,199
Shareholders' equity, end of period at Mar. 31, 2014	77,012		130,987	-36,034	-50	-17,891
Common stock shares, at end of period at Mar. 31, 2014	21,588,326	21,588,326
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for cash, net of issuance costs, shares		5,462,500
Issuance of common stock for cash, net of issuance costs	17,465		17,465
Issuance of stock and warrants for services, shares		27,931
Issuance of stock and warrants for services	131		131
Exercise of stock options and warrants for cash, shares		178,387
Exercise of stock options and warrants for cash	430		430
Stock activity for acquisition, shares		940,940
Stock activity for acquisition	2,382			2,382
Shares issued under Employee Stock Purchase Plan, shares	1,486	1,486
Shares issued under Employee Stock Purchase Plan	11		4	7
Collection of shareholder notes receivable	46				46
Stock-based compensation, shares		170,055
Stock-based compensation	1,499		1,499
Treasury stock purchase, shares		-7,152
Treasury stock purchase	-22			-22
Net income (loss)	-32,061					-32,061
Shareholders' equity, end of period at Mar. 31, 2015	$64,511		$150,516	($36,049)	($4)	($49,952)
Common stock shares, at end of period at Mar. 31, 2015	27,421,533	27,421,533

Consolidated_Statements_of_Cas

Consolidated Statements of Cash Flows (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Operating activities
Net loss	($32,061)	($6,199)	($10,399)
Adjustments to reconcile net loss to net cash provided by (used in)
Depreciation	2,853	3,798	4,322
Amortization	1,460	740	255
Stock-based compensation expense	1,499	1,593	1,164
Accretion of fair value on contingent consideration	0	11	0
Deferred income tax (benefit) expense	0	-2,123	4,158
Impairment on assets	12,130	0	0
Loss on sale of property and equipment	-21	1,733	69
Provision for inventory reserves	361	1,995	859
Provision for bad debts	285	174	757
Other	132	129	71
Changes in operating assets and liabilities, net of changes from acquisitions:
Accounts receivable, current and long-term	-1,909	8,395	2,499
Inventories, current and long-term	-2,356	3,962	2,880
Deferred contract costs	651	1,376	75
Prepaid expenses and other current assets	1,261	-1,072	1,315
Accounts payable	2,475	-762	-6,527
Accrued expenses and other	838	-1,575	2,221
Deferred revenue, current and long-term	-410	-2,274	-1,458
Net cash provided by (used in) operating activities	-12,812	9,901	2,261
Investing activities
Cash paid for acquisition, net of cash acquired	0	-4,992	0
Purchase of property and equipment	-2,006	-410	-2,159
Purchase of short-term investments	-2	-4	-5
Sale of short-term investments	472	555	0
Additions to patents and licenses	-234	-43	-153
Proceeds from sales of property, plant and equipment	1,040	80	46
Net cash used in investing activities	-730	-4,814	-2,271
Financing activities
Payment of long-term debt	-4,494	-3,229	-3,169
Proceeds from revolving credit facility	2,500	0	0
Proceeds from long-term debt	446	0	380
Proceeds from repayment of shareholder notes	46	215	38
Proceeds from issuance of common stock , net of issuance costs	17,465	0	0
Repurchase of common stock into treasury	0	0	-6,007
Excess tax benefits from stock-based compensation	0	13	70
Deferred financing costs	-406	-19	0
Net proceeds from exercise of warrants and employee stock options	419	1,125	63
Net cash (used in) provided by financing activities	15,976	-1,895	-8,625
Net increase (decrease) in cash and cash equivalents	2,434	3,192	-8,635
Cash and cash equivalents at beginning of period	17,568	14,376	23,011
Cash and cash equivalents at end of period	20,002	17,568	14,376
Supplemental cash flow information:
Cash paid for interest	287	423	535
Cash paid for income taxes	42	22	102
Supplemental disclosure of non-cash investing and financing activities:
Shares issued from treasury for shareholder note receivable	0	0	82
Shares returned to treasury in satisfaction of employee tax liabilities from restricted stock vesting	22	0	0
Shares returned to treasury in satisfaction of receivable	0	48	0
Acquisition related contingent consideration liability	0	612	0
Acquisition financed through debt	0	3,123	0
Common stock issued for acquisition	$0	$2,416	$0

Description_of_Business

Description of Business	12 Months Ended
	Mar. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
DESCRIPTION OF BUSINESS	DESCRIPTION OF BUSINESS
	Organization
	The Company includes Orion Energy Systems, Inc., a Wisconsin corporation, and all consolidated subsidiaries. The Company is a developer, manufacturer and seller of lighting and energy management systems to commercial and industrial businesses, predominantly in North America.
	See Note J “Segment Reporting” of these financial statements for further discussion of the Company's reportable segments.
	The Company's corporate offices and primary manufacturing operations are located in Manitowoc, Wisconsin. The operations facility in Plymouth, Wisconsin was classified as an asset held for sale and was sold in May 2014. The Company leases office space in Jacksonville, Florida. The Company leases office space for a sales office located in Houston, Texas.

Summary_of_Significant_Account

Summary of Significant Accounting Policies	12 Months Ended
	Mar. 31, 2015
Accounting Policies [Abstract]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
	Principles of Consolidation
	The consolidated financial statements include the accounts of Orion Energy Systems, Inc. and its wholly-owned subsidiaries. All significant intercompany transactions and balances have been eliminated in consolidation.
	Reclassifications
	Where appropriate, certain reclassifications were made to prior years' financial statements to conform to the current year presentation.
	Use of Estimates
	The preparation of financial statements in conformity with Generally Accepted Accounting Principles, or GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and reported amounts of revenues and expenses during that reporting period. Areas that require the use of significant management estimates include revenue recognition, inventory obsolescence and bad debt reserves, accruals for warranty expenses, income taxes and certain equity transactions. Accordingly, actual results could differ from those estimates.
	Cash and Cash Equivalents
	The Company considers all highly liquid, short-term investments with original maturities of three months or less to be cash equivalents.
	Short-Term Investments
	The amortized cost and fair value of short-term investments, with gross unrealized gains and losses, as of March 31, 2014 and 2015 were as follows (in thousands):
	31-Mar-14
		Amortized				Unrealized				Unrealized			Fair Value			Cash and Cash			Short-Term
		Cost				Gains				Losses						Equivalents			Investments
	Money market funds	$	488			$	—			$	—		$	488		$	488		$	—
	Bank certificate of deposit	470				—				—			470			—			470
	Total	$	958			$	—			$	—		$	958		$	488		$	470
	31-Mar-15
		Amortized				Unrealized				Unrealized			Fair Value			Cash and Cash			Short-Term
		Cost				Gains				Losses						Equivalents			Investments
	Money market funds	$	—			$	—			$	—		$	—		$	—		$	—
	Bank certificate of deposit	—				—				—			—			—			—
	Total	$	—			$	—			$	—		$	—		$	—		$	—
	As of March 31, 2014 , the Company’s financial assets described in the table above were measured at cost which approximates fair value due to the short-term nature of the investment (level 1 inputs).
	Fair Value of Financial Instruments
	The Company’s financial instruments consist of cash, short-term investments, accounts receivable, accounts payable, accrued expenses and other and long-term debt. The carrying amounts of the Company’s financial instruments approximate their respective fair values due to the relatively short-term nature of these instruments, or in the case of long-term, because of the interest rates currently available to the Company for similar obligations. Valuation techniques used to measure fair value must maximize the use of observable inputs and minimize the use of unobservable inputs. GAAP describes a fair value hierarchy based on the following three levels of inputs, of which the first two are considered observable and the last unobservable, that may be used to measure fair value:
	Level 1 — Valuations are based on unadjusted quoted prices in active markets for identical assets or liabilities.
	Level 2 — Valuations are based on quoted prices for similar assets or liabilities in active markets, or quoted prices in markets that are not active for which significant inputs are observable, either directly or indirectly.
	Level 3 — Valuations are based on prices or valuation techniques that require inputs that are both unobservable and significant to the overall fair value measurement. Inputs reflect management’s best estimate of what market participants would use in valuing the asset or liability at the measurement date.
	Accounts Receivable
	Substantially all of the Company’s accounts receivable are due from companies in the commercial, industrial and agricultural industries, as well as wholesalers. Credit is extended based on an evaluation of a customer’s financial condition. Generally, collateral is not required for end users; however, the payment of certain trade accounts receivable from wholesalers is secured by irrevocable standby letters of credit and/or guarantees. Accounts receivable are generally due within 30-60 days. Accounts receivable are stated at the amount the Company expects to collect from outstanding balances. The Company provides for probable uncollectible amounts through a charge to earnings and a credit to an allowance for doubtful accounts based on its assessment of the current status of individual accounts. Balances that are still outstanding after the Company has used reasonable collection efforts are written off through a charge to the allowance for doubtful accounts and a credit to accounts receivable.
	Financing Receivables
	The Company considers its lease balances included in consolidated current and long-term accounts receivable from its Orion Throughput Agreement, or OTA, sales-type leases to be financing receivables. Additional disclosures on the credit quality of the Company’s financing receivables are as follows:
	Age Analysis as of March 31, 2014 (in thousands):
		Not Past Due				1-90 days				Greater than 90			Total past due			Total sales-type
						past due				days past due						leases
	Lease balances included in consolidated accounts receivable—current	$	2,067			$	137			$	149		$	286		$	2,353
	Lease balances included in consolidated accounts receivable—long-term	1,662				—				—			—			1,662
	Total gross sales-type leases	3,729				137				149			286			4,015
	Allowance	(3		)		(3		)		(88		)	(91		)	(94		)
	Total net sales-type leases	$	3,726			$	134			$	61		$	195		$	3,921
	Age Analysis as of March 31, 2015 (in thousands):
		Not Past Due				1-90 days				Greater than 90			Total past due			Total sales-type
						past due				days past due						leases
	Lease balances included in consolidated accounts receivable—current	$	1,346			$	47			$	186		$	233		$	1,579
	Lease balances included in consolidated accounts receivable—long-term	398				—				—			—			398
	Total gross sales-type leases	1,744				47				186			233			1,977
	Allowance	(12		)		(3		)		(141		)	(144		)	(156		)
	Total net sales-type leases	$	1,732			$	44			$	45		$	89		$	1,821
	Allowance for Credit Losses on Financing Receivables
	The Company’s allowance for credit losses is based on management’s assessment of the collectability of customer accounts. A considerable amount of judgment is required in order to make this assessment including a detailed analysis of the aging of the lease receivables and the current credit worthiness of the Company's customers and an analysis of historical bad debts and other adjustments. If there is a deterioration of a major customer’s credit worthiness or actual defaults are higher than historical experience, the estimate of the recoverability of amounts due could be adversely affected. The Company reviews in detail the allowance for doubtful accounts on a quarterly basis and adjusts the allowance estimate to reflect actual portfolio performance and any changes in future portfolio performance expectations. The Company’s provision for write-offs and credit losses against the OTA sales-type lease receivable balances in fiscal 2014 and fiscal 2015, respectively, was as follows:
			Balance at				Provisions				Write offs			Balance at
			beginning of				charged to				and other			end of
			period				expense							period
	March 31,		(in Thousands)
	2014	Allowance for Doubtful Accounts on financing receivables	$	74			$	96			$	76		$	94
	2015	Allowance for Doubtful Accounts on financing receivables	$	94			$	62			$	—		$	156
	Inventories
	Inventories consist of raw materials and components, such as ballasts, metal sheet and coil stock and molded parts; work in process inventories, such as frames and reflectors; and finished goods, including completed fixtures and systems, and wireless energy management systems and accessories, such as lamps, meters and power supplies. All inventories are stated at the lower of cost or market value with cost determined using the first-in, first-out (FIFO) method. The Company reduces the carrying value of its inventories for differences between the cost and estimated net realizable value, taking into consideration usage in the preceding 9 to 24 months, expected demand, and other information indicating obsolescence. The Company records as a charge to cost of product revenue the amount required to reduce the carrying value of inventory to net realizable value. As of March 31, 2014 and 2015, the Company had inventory obsolescence reserves of $2.5 million and $1.6 million, respectively.
	Costs associated with the procurement and warehousing of inventories, such as inbound freight charges and purchasing and receiving costs, are also included in cost of product revenue.
	Inventories were comprised of the following (in thousands):
		31-Mar-14				31-Mar-15
	Raw materials and components	$	6,894			$	8,474
	Work in process	880				1,588
Finished goods	4,016				4,221
	$	11,790			$	14,283
Deferred Contract Costs
Deferred contract costs consist primarily of the costs of products delivered, and services performed, that are subject to additional performance obligations or customer acceptance. These deferred contract costs are expensed at the time the related revenue is recognized. Deferred costs amounted to $0.7 million and $0.1 million as of March 31, 2014 and March 31, 2015, respectively.
Prepaid Expenses and Other Current Assets
Prepaid expenses and other current assets consist primarily of prepaid insurance premiums, prepaid license fees, purchase deposits, advance payments to contractors, unbilled revenue, prepaid taxes and miscellaneous receivables. Prepaid expenses and other current assets includes $2.8 million and $1.7 million of unbilled accounts receivable as of March 31, 2014 and March 31, 2015, respectively. Prepaid expenses and other current assets also includes $1.0 million of assets held for sale as of March 31, 2014 for an asset that was sold during fiscal 2015.
Property and Equipment
Property and equipment are stated at cost. Expenditures for additions and improvements are capitalized, while replacements, maintenance and repairs which do not improve or extend the lives of the respective assets are expensed as incurred. Properties sold, or otherwise disposed of, are removed from the property accounts, with gains or losses on disposal credited or charged to income from operations.
The Company periodically reviews the carrying values of property and equipment for impairment in accordance with ASC 360, Property, Plant and Equipment, if events or changes in circumstances indicate that the assets may be impaired. The estimated future undiscounted cash flows expected to result from the use of the assets and their eventual disposition are compared to the assets’ carrying amount to determine if a write down to market value is required. No write downs were recorded in fiscal 2013. In fiscal 2014, an impairment charge of $0.2 million was recorded. In fiscal 2015, an impairment charge of $1.0 million was recorded in connection with the assessment of carrying costs related to the wireless controls product offering.
Property and equipment were comprised of the following (in thousands):
	March 31, 2014				March 31, 2015
Land and land improvements	$	1,480			$	1,511
Buildings and building improvements	14,405				14,441
Furniture, fixtures and office equipment	10,713				8,600
Leasehold improvements	46				148
Equipment leased to customers under Power Purchase Agreements	4,997				4,997
Plant equipment	10,103				11,084
Construction in progress	60				379
	41,804				41,160
Less: accumulated depreciation and amortization	(18,669		)		(19,937		)
Net property and equipment	$	23,135			$	21,223
The Company has no equipment under capital leases.
Depreciation is provided over the estimated useful lives of the respective assets, using the straight-line method. The Company recorded depreciation expense of $4.3 million, $3.8 million and $2.9 million for the years ended March 31, 2013, 2014 and 2015, respectively. Depreciable lives by asset category are as follows:
Land improvements	10-15 years
Buildings and building improvements	3-39 years
Furniture, fixtures and office equipment	2-10 years
Leasehold improvements	Shorter of asset life or life of lease
Equipment leased to customers under Power Purchase Agreements	20 years
Plant equipment	3-10 years
No interest was capitalized for construction in progress during fiscal 2014 or fiscal 2015.
Goodwill and Other Intangible Assets
The costs of specifically identifiable intangible assets that do not have an indefinite life are amortized over their estimated useful lives. Goodwill and intangible assets with indefinite lives are not amortized. Goodwill and intangible assets with indefinite lives are reviewed for impairment annually, as of January 1, or more frequently if impairment indicators arise. Amortizable intangible assets are amortized over their estimated economic useful life to reflect the pattern of economic benefits consumed based upon the following lives and methods:
Patents	10-17 years	Straight-line
Licenses	7-13 years	Straight-line
Customer relationships	5-8 years	Accelerated based upon the pattern of economic benefits consumed
Developed technology	8 years	Accelerated based upon the pattern of economic benefits consumed
Non-competition agreements	5 years	Straight-line
Indefinite lived intangible assets are evaluated for potential impairment whenever events or circumstances indicate that the carrying value may not be recoverable based primarily upon whether expected future undiscounted cash flows are sufficient to support the asset recovery. If the actual useful life of the asset is shorter than the estimated life estimated by us, the asset may be deemed to be impaired and accordingly a write-down of the value of the asset determined by a discounted cash flow analysis or shorter amortization period may be required.
There was no change in the carrying value of goodwill during fiscal 2015 as follows (in thousands):
Balance at March 31, 2013	$	—
Acquisition	4,409
Balance at March 31, 2014	$	4,409
Impairments	—
Balance at March 31, 2015	$	4,409
As of April 1, 2014, the Company realigned its organizational structure as a result of a new business strategy. In connection with the reorganization, the Company evaluated its historical operating segments (Energy Management Division and Engineered Systems Division) in relation to GAAP and identified the following new operating segments: (i) U.S. Markets, (ii) Orion Engineered Systems, (iii) Orion Distribution Services and (iv) Corporate and Other. The new operating segments became effective, on a prospective basis, beginning April 1, 2014. The Company's operating segments are also its reporting units (for goodwill assessment purposes) and reporting segments (for financial reporting purposes). In connection with the identification of the new operating segments, the Company allocated goodwill from its historical reporting units to its new reporting units using a relative fair market approach as follows (in thousands):
	U.S. Markets				Orion Engineered Systems				Orion Distribution Services			Corporate and Other			Total
Goodwill at March 31, 2015	$	2,371			$	2,038			$	—		$	—		$	4,409
The components of, and changes in, the carrying amount of other intangible assets were as follows (in thousands):
	March 31, 2014								March 31, 2015
	Gross Carrying Amount				Accumulated Amortization				Gross Carrying Amount			Accumulated Amortization
Patents	$	2,362			$	(784	)		$	2,447		$	(906	)
Licenses	58				(58		)		58			(58		)
Trade name and trademarks	1,942				—				1,958			—
Customer relationships	3,600				(535		)		3,600			(1,620		)
Developed technology	900				(19		)		900			(109		)
Non-competition agreements	100				(15		)		100			(35		)
Total	$	8,962			$	(1,411	)		$	9,063		$	(2,728	)
As of March 31, 2015, the weighted average useful life of intangible assets was 6.7 years. The estimated amortization expense for each of the next five years is shown below (in thousands):
Fiscal 2016	$	1,226
Fiscal 2017	883
Fiscal 2018	607
Fiscal 2019	431
Fiscal 2020	346
Thereafter	884
	$	4,377
Amortization expense is set forth in the following table (in thousands):
	Fiscal Year Ended March 31,
	2013				2014				2015
Amortization included in cost of sales:
Patents	$	133			$	135			$	132
Total	$	133			$	135			$	132
Amortization included in operating expenses:
Customer relationships	$	—			$	535			$	1,085
Developed technology	—				19				90
Non-competition agreements	—				15				20
Total	—				569				1,195
Total amortization	$	133			$	704			$	1,327
The Company’s management periodically reviews the carrying value of intangible assets for impairment. Write-offs recorded in fiscal 2013, 2014 and 2015 were $0, $45,000 and $120,000, respectively.
Long-Term Receivables
The Company records a long-term receivable for the non-current portion of its sales-type capital lease OTA contracts. The receivable is recorded at the net present value of the future cash flows from scheduled customer payments. The Company uses the implied cost of capital from each individual contract as the discount rate.
Also included in other long-term receivables are amounts due from a third party finance company to which the Company has sold, without recourse, the future cash flows from OTAs entered into with customers. Such receivables are recorded at the present value of the future cash flows discounted at 11.0%. As of March 31, 2015, the following amounts were due from the third party finance company in future periods (in thousands):
Fiscal 2016	$	309
Fiscal 2017	9
Total gross financed receivable	318
Less: amount above to be collected during the next 12 months	(309		)
Less: amount representing interest	(1		)
Total net long-term receivable	$	8
Long-Term Inventories
As of March 31, 2014, the Company had long-term inventory for the non-current portion of its wireless controls finished goods inventory. The inventories were stated at the lower of cost or market value with cost determined using the FIFO method. As of September 30, 2014, the wireless controls inventory were deemed to be impaired based upon current market conditions, including significant declines in unit volume sales, an increase in product sales in the commercial office and retail markets where the controls product offering is not saleable, limitations in alternative uses for the inventory and the increasing adoption of, and performance improvements in, LED lighting products. During fiscal 2015, the Company recorded an impairment charge of $10.2 million related to its wireless controls inventory. Net realizable value of this remaining wireless control inventory was based on the Company's best estimate of product sales expectations, market prices and customer demand patterns.
Other Long-Term Assets
Other long-term assets include long-term security deposits, prepaid licensing costs, deferred costs for a long-term contract, and deferred financing costs. Other long-term assets include $33,000 and $202,000 of deferred financing costs as of March 31, 2014 and March 31, 2015, respectively. Deferred financing costs related to debt issuances are amortized to interest expense over the life of the related debt issue (1 to 3 years). For the years ended March 31, 2013, 2014 and 2015, the amortization was $42,000, $40,000 and $156,000, respectively.
Accrued Expenses and Other
Accrued expenses include warranty accruals, accrued wages and benefits, accrued vacation, accrued legal costs, accrued commissions, customer deposits, accrued acquisition liabilities, accrued project costs, sales tax payable and other various unpaid expenses. Accrued expenses include $1.0 million and $1.3 million of accrued project costs as of March 31, 2014 and March 31, 2015, respectively.
The Company generally offers a limited warranty of one year on its lighting products in addition to those standard warranties offered by major original equipment component manufacturers. The manufacturers’ warranties cover lamps and ballasts, which are significant components in the Company’s lighting products. Included in other long-term liabilities is $0.3 million for warranty reserves related to solar operating systems.
Changes in the Company’s warranty accrual were as follows (in thousands):
	March 31,
	2014				2015
Beginning of year	$	284			$	263
Provision to product cost of revenue	300				776
Charges	(321		)		(24		)
End of year	$	263			$	1,015
Incentive Compensation
The Company’s compensation committee approved an Executive Fiscal Year 2013 Annual Cash Incentive Program under its 2004 Stock and Incentive Awards Plan. The plan provided for performance and discretionary cash bonus payments ranging from 25-100% of the fiscal 2013 base salaries of the Company’s named executive officers and other key employees. The plan provided for bonuses to be paid out on the basis of the achievement in fiscal 2013 of (i) target revenue of $119 million and/or (ii) target net income of $3.7 million. Revenue and net income were selected as the performance measures for the cash bonus program because they were viewed as the most critical elements to increasing the value of the Company's common stock and, therefore, to the Company's enterprise value. The compensation committee established a target bonus as a percentage of base salary for each of the named executive officers. If the Company achieved 90% of either or both the revenue and net income targets ($107 million in revenue or $3.33 million in net income), then the named executive officers would have received 50% of their target bonus for that element. If either or both of the target revenue or net income were exceeded, the named executive officers would be eligible to earn up to two times their target bonus for that element based on a sliding scale of up to 150% of the target revenue or net income. As described below, this plan was superseded by a new plan in November 2012, and, therefore, the Company did not accrue any expense related to this plan.
Effective November 9, 2012, the Company’s Compensation Committee approved a new incentive cash bonus program for the second half of fiscal 2013 in replacement of the then existing fiscal 2013 incentive bonus program described above. The new incentive cash bonus program provided a cash bonus opportunity to named executive officers and other key employees based on the Company’s relative achievement, in the second half of fiscal 2013, of target operating income (before bonuses and other extraordinary or unusual items) and target cost containment initiatives. Under the new program, 50% of the target bonus payments were based on the Company’s relative achievement of its cost containment target of $1.48 million for the second half of fiscal 2013. For every $1.00 of cost containment achieved, a bonus pool of $0.167 would be earned, up to a maximum total bonus pool of $247,000 for all employees. The other 50% of the target bonus payments would be based on the Company achieving operating income (before bonuses and other extraordinary or unusual items) of $500,000 for the second half of fiscal 2013. For every $1.00 of operating profit achieved, a bonus pool of $0.50 would be earned, up to a maximum total bonus pool of $247,000 for all employees. Based upon the results for the year ended March 31, 2013, the Company accrued the maximum expense related to this plan.
The Company’s compensation committee approved an Executive Fiscal Year 2014 Annual Cash Incentive Program under its 2004 Stock and Incentive Awards Plan. The plan provided for performance cash bonus payments ranging from 35-100% of the fiscal 2014 base salaries of the Company’s named executive officers and other key employees. The plan provided for bonuses to be paid out on the basis of the achievement in fiscal 2014 of at least (i) $2.0 million of profit before taxes and (ii) revenue of at least $88.0 million. Based upon the results for the year ended March 31, 2014, the Company did not accrue any expense related to this plan.
The Company’s compensation committee approved an Executive Fiscal Year 2015 Annual Cash Incentive Program under its 2004 Stock and Incentive Awards Plan. The plan provided for performance cash bonus payments ranging from 35-100% of the fiscal 2015 base salaries of the Company’s named executive officers and other key employees. The plan provided for bonuses to be paid out on the basis of the achievement in fiscal 2015 of at least (i) $2.3 million of profit before taxes and (ii) revenue of at least $90.4 million. Based upon the results for the year ended March 31, 2015, the Company did not accrue any expense related to this plan.
Revenue Recognition
Revenue is recognized on the sales of our lighting and related energy efficiency systems and products when the following four criteria are met:
1	persuasive evidence of an arrangement exists;
2	delivery has occurred and title has passed to the customer;
3	the sales price is fixed and determinable and no further obligation exists; and
4	collectability is reasonably assured.
These four criteria are met for the Company’s product-only revenue upon delivery of the product and title passing to the customer. At that time, the Company provides for estimated costs that may be incurred for product warranties and sales returns. Revenues are presented net of sales tax and other sales related taxes.
For sales of the Company’s lighting and energy management technologies, consisting of multiple elements of revenue, such as a combination of product sales and services, the Company determines revenue by allocating the total contract revenue to each element based on their relative selling prices in accordance with ASC 605-25, Revenue Recognition - Multiple Element Arrangements. In such circumstances, the Company uses a hierarchy to determine the selling price to be used for allocating revenue to deliverables: (1) vendor-specific objective evidence (VSOE) of fair value, if available, (2) third-party evidence (TPE) of selling price if VSOE is not available, and (3) best estimate of the selling price if neither VSOE nor TPE is available (a description as to how the Company determined estimated selling price is provided below).
The nature of the Company’s multiple element arrangements for the sale of its lighting and energy management technologies is similar to a construction project, with materials being delivered and contracting and project management activities occurring according to an installation schedule. The significant deliverables include the shipment of products and related transfer of title and the installation.
To determine the selling price in multiple-element arrangements, the Company establishes the selling price for its HIF lighting and energy management system products using management's best estimate of the selling price, as VSOE or TPE does not exist. Product revenue is recognized when products are shipped. For product revenue, management's best estimate of selling price is determined using a cost plus gross profit margin method. In addition, the Company records in service revenue the selling price for its installation and recycling services using management’s best estimate of selling price, as VSOE or TPE does not exist. Service revenue is recognized when services are completed and customer acceptance has been received. Recycling services provided in connection with installation entail the disposal of the customer’s legacy lighting fixtures. The Company’s service revenues, other than for installation and recycling that are completed prior to delivery of the product, are included in product revenue using management’s best estimate of selling price, as VSOE or TPE does not exist. These services include comprehensive site assessment, site field verification, utility incentive and government subsidy management, engineering design, and project management. For these services, along with the Company's installation and recycling services, under a multiple-element arrangement, management’s best estimate of selling price is determined by considering several external and internal factors including, but not limited to, economic conditions and trends, customer demand, pricing practices, margin objectives, competition, geographies in which the Company offers its products and services and internal costs. The determination of estimated selling price is made through consultation with and approval by management, taking into account all of the preceding factors.
For sales of solar photovoltaic systems, which are governed by customer contracts that require the Company to deliver functioning solar power systems and are generally completed within three to 15 months from the start of construction, the Company recognizes revenue from fixed price construction contracts using the percentage-of-completion method in accordance with ASC 605-35, Construction-Type and Production-Type Contracts. Under this method, revenue arising from fixed price construction contracts is recognized as work is performed based upon the percentage of incurred costs to estimated total forecasted costs. The Company has determined that the appropriate method of measuring progress on these sales is measured by the percentage of costs incurred to date of the total estimated costs for each contract as materials are installed. The percentage-of-completion method requires revenue recognition from the delivery of products to be deferred and the cost of such products to be capitalized as a deferred cost and current asset on the balance sheet. The Company performs periodic evaluations of the progress of the installation of the solar photovoltaic systems using actual costs incurred over total estimated costs to complete a project. Provisions for estimated losses on uncompleted contracts, if any, are recognized in the period in which the loss first becomes probable and reasonably estimable.
The Company offers a financing program, called an Orion Throughput Agreement, or OTA, for a customer’s lease of the Company’s energy management systems. The OTA is structured as a sales-type lease and upon successful installation of the system and customer acknowledgment that the system is operating as specified, revenue is recognized at the Company’s net investment in the lease, which typically is the net present value of the future cash flows.
The Company offers a financing program, called a power purchase agreement, or PPA, for the Company’s renewable energy product offerings. A PPA is a supply side agreement for the generation of electricity and subsequent sale to the end user. Upon the customer’s acknowledgment that the system is operating as specified, product revenue is recognized on a monthly basis over the life of the PPA contract, which is typically in excess of 10 years.
Deferred revenue relates to advance customer billings, investment tax grants received related to PPAs and a separate obligation to provide maintenance on OTAs and is classified as a liability on the Consolidated Balance Sheet. The fair value of the maintenance is readily determinable based upon pricing from third-party vendors. Deferred revenue related to maintenance services is recognized when the services are delivered, which occurs in excess of a year after the original OTA contract is executed.
Shipping and Handling Costs
The Company records costs incurred in connection with shipping and handling of products as cost of product revenue. Amounts billed to customers in connection with these costs are included in product revenue.
Advertising
Advertising costs of $111,000, $28,000 and $149,000 for fiscal 2013, 2014 and 2015, respectively, were charged to operations as incurred.
Research and Development
The Company expenses research and development costs as incurred.
Income Taxes
The Company recognizes deferred tax assets and liabilities for the future tax consequences of temporary differences between financial reporting and income tax basis of assets and liabilities, measured using the enacted tax rates and laws expected to be in effect when the temporary differences reverse. Deferred income taxes also arise from the future tax benefits of operating loss and tax credit carryforwards. A valuation allowance is established when management determines that it is more likely than not that all or a portion of a deferred tax asset will not be realized. For the fiscal year ended March 31, 2015, the Company recorded a valuation allowance of $11.7 million against its deferred tax assets.
ASC 740, Income Taxes, also prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For those benefits to be recognized, a tax position must be more-likely-than-not to be sustained upon examination. The Company has classified the amounts recorded for uncertain tax benefits in the balance sheet as other liabilities (non-current) to the extent that payment is not anticipated within one year. The Company recognizes penalties and interest related to uncertain tax liabilities in income tax expense. Penalties and interest are immaterial and are included in the unrecognized tax benefits.
Deferred tax benefits have not been recognized for income tax effects resulting from the exercise of non-qualified stock options. These benefits will be recognized in the period in which the benefits are realized as a reduction in taxes payable and an increase in additional paid-in capital. Realized tax benefits (expense) from the exercise of stock options were $70,000, $13,000 and $0 for the fiscal years 2013, 2014 and 2015, respectively.
Stock Based Compensation
The Company’s share-based payments to employees are measured at fair value and are recognized in earnings, net of estimated forfeitures, on a straight-line basis over the requisite service period.
Cash flows from the exercise of stock options resulting from tax benefits in excess of recognized cumulative compensation costs (excess tax benefits) are classified as financing cash flows. For the years ended March 31, 2013, 2014 and 2015, $70,000, $13,000 and $0, respectively, of such excess tax benefits were classified as financing cash flows.
The Company uses the Black-Scholes option-pricing model. The Company calculates volatility based upon the historical market price of its common stock. The risk-free interest rate is the rate available as of the option date on zero-coupon U.S. Government issues with a remaining term equal to the expected term of the option. The expected term is based upon the vesting term of the Company’s options and expected exercise behavior. The Company has not paid dividends in the past and does not plan to pay any dividends in the foreseeable future. The Company estimates its forfeiture rate of unvested stock awards based on historical experience.
The Company accounts for stock-based compensation in accordance with ASC 718, Compensation - Stock Compensation. Under the fair value recognition provisions of ASC718, stock-based compensation is measured at the grant date based on the fair value of the award and is recognized as expense ratably over the requisite service period, net of estimated forfeitures. As more fully described in Note I, the Company awards non-vested restricted stock to employees, executive officers and directors. The Company did not issue any stock options during fiscal 2015. The fair value of each option grant in fiscal 2013, 2014 and 2015 was determined using the assumptions in the following table:
	Fiscal Year Ended March 31,
	2013			2014			2015
Weighted average expected term	5.5 years			4.1 years			N/A
Risk-free interest rate	0.8	%		0.8	%		N/A
Expected volatility	72.5 - 74.4%			73.3	%		N/A
Expected forfeiture rate	21.4	%		20.3	%		20.3	%
Net Income (Loss) per Common Share
Basic net income (loss) per common share is computed by dividing net income (loss) attributable to common shareholders by the weighted-average number of common shares outstanding for the period and does not consider common stock equivalents.
Diluted net income (loss) per common share reflects the dilution that would occur if warrants and stock options were exercised and restricted shares vested. In the computation of diluted net income (loss) per common share, the Company uses the “treasury stock” method for outstanding options, warrants and restricted shares. Diluted net loss per common share is the same as basic net loss per common share for the years ended March 31, 2013, March 31, 2014 and March 31, 2015, because the effects of potentially dilutive securities are anti-dilutive. The effect of net income (loss) per common share is calculated based upon the following shares (in thousands except share amounts):
	Fiscal Year Ended March 31,
	2013				2014				2015
Numerator:
Net loss	$	(10,399	)		$	(6,199	)		$	(32,061	)
Denominator:
Weighted-average common shares outstanding	20,996,625				20,987,964				22,353,419
Weighted-average effect of assumed conversion of stock options and restricted stock	—				—				—
Weighted-average common shares and share equivalents outstanding	20,996,625				20,987,964				22,353,419
Net income (loss) per common share:
Basic	$	(0.50	)		$	(0.30	)		$	(1.43	)
Diluted	$	(0.50	)		$	(0.30	)		$	(1.43	)
The following table indicates the number of potentially dilutive securities as of the end of each period:
	March 31,
	2013			2014			2015
Common stock options	3,312,523			2,716,317			2,426,836
Restricted shares	105,000			539,204			704,688
Common stock warrants	38,980			38,980			—
Total	3,456,503			3,294,501			3,131,524
Concentration of Credit Risk and Other Risks and Uncertainties
The Company’s cash is deposited with four financial institutions. At times, deposits in these institutions exceed the amount of insurance provided on such deposits. The Company has not experienced any losses in such accounts and believes that it is not exposed to any significant risk on these balances.
The Company purchases components necessary for its lighting products, including ballasts, lamps and LED components from multiple suppliers. For fiscal 2013, 2014 and 2015, no supplier accounted for more than 10% of total cost of revenue.
In fiscal 2013, there were no customers who individually accounted for greater than 10% of revenue. In fiscal 2014, one customer accounted for 23% of revenue. In fiscal 2015, one customer accounted for 12% of revenue.
As of March 31, 2014 and March 31, 2015, no customers accounted for more than 10% of accounts receivable.
Recent Accounting Pronouncements
In July 2013, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2013-11 ("ASU 2013-11"), “Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists." ASU 2013-11 requires an entity to present an unrecognized tax benefit, or a portion of an unrecognized tax benefit, in the financial statements as a reduction to the deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward. The provisions of ASU 2013-11 are effective for fiscal years, and interim periods within those years, beginning after December 15, 2013. The Company applied this guidance in a prior quarter and it did not have a material impact on its statement of operations, financial position, or cash flows.
In May 2014, FASB issued ASU 2014-09, "Revenue from Contracts with Customers." This ASU is a comprehensive new revenue recognition model that requires a company to recognize revenue to depict the transfer of goods or services to a customer at an amount that reflects the consideration it expects to receive in exchange for those goods or services. This ASU is effective for annual reporting periods beginning after December 15, 2016 and early adoption is not permitted. Accordingly, the Company will adopt this ASU on April 1, 2017. Companies may use either a full retrospective or modified retrospective approach to adopt this ASU and management is currently evaluating which transition approach to use. The Company is currently evaluating the impact of ASU 2014-09.
In June 2014, the FASB issued Accounting Standards Update No. 2014-12, "Compensation - Stock Compensation" ("ASU 2014-12"). ASU 2014-12 is intended to resolve diverse accounting treatment for share based awards in which the terms of the award provide that a performance target that affects vesting could be achieved after the requisite service period. The standard is effective for annual periods and interim periods within those annual periods beginning after December 15, 2015 and may be applied prospectively or retrospectively. The Company does not expect adoption of this standard will have a significant impact on the Company's consolidated financial statements.
In August 2014, the FASB issued Accounting Standards Update No. 2014-15, "Presentation of Financial Statements - Going Concern" ("ASU 2014-15"). ASU 2014-15 requires an entity's management to evaluate whether there are conditions or events, considered in the aggregate, that raise substantial doubt about the entity's ability to continue as a going concern and if those conditions exist, the required disclosures. The standard is effective for annual periods ending after December 15, 2016, and interim periods therein. The Company does not expect adoption of this standard will have a significant impact on the Company's consolidated financial statements.

Acquisition

Acquisition	12 Months Ended
	Mar. 31, 2015
Business Combinations [Abstract]
ACQUISITION	ACQUISITION
	On July 1, 2013, the Company acquired all of the equity interests of Harris Manufacturing, Inc. and Harris LED, LLC(collectively, "Harris"). Harris was a Florida-based lighting company which engineered, designed, sourced and manufactured energy efficient lighting systems, including fluorescent and LED lighting solutions, and day-lighting products.
	The acquisition of Harris expanded the Company's product lines, including a patent pending LED lighting product designed for commercial office buildings, increased its sales force and provided growth opportunities into markets where the Company had previously not had a strong presence, specifically, new construction, retail store fronts, commercial office and government.
	The acquisition was consummated pursuant to a Stock and Unit Purchase Agreement, dated as of May 22, 2013 ("Purchase Agreement"), by and among Harris, the shareholders and members of Harris ("Harris Shareholders"), and the Company. The acquisition consideration paid to the Harris Shareholders was valued under the Purchase Agreement at an aggregate of $10.0 million, plus an adjustment of approximately $0.2 million to reflect the Company's acquisition of net working capital in excess of a targeted amount, plus an additional $0.6 million for the contingent consideration earn-out value assigned to non-employee Harris shareholders. The aggregate acquisition consideration was paid through a combination of $5.0 million in cash, $3.1 million in a three-year unsecured subordinated promissory note and the issuance of 856,997 shares of unregistered Company common stock. For purposes of the acquisition and the acquisition consideration, the shares of common stock issued in the acquisition of Harris were valued at $2.33 per share, which was the average closing share price as reported on the NYSE MKT for the 45 trading days preceding and the 22 trading days following the execution of the Purchase Agreement. For purposes of applying the purchase accounting provisions of ASC 805, Business Combinations, the shares of common stock issued in the acquisition were valued at $2.41 per share, which was the closing sale price of the Company's common stock as reported on the NYSE MKT on the July 1, 2013, date of acquisition.
	On October 21, 2013, the Company executed a letter agreement amending the Purchase Agreement. The letter agreement established a fixed future consideration of $1.4 million for the previously existing earn-out component of the Purchase Agreement and eliminated the requirement that certain revenue targets must be achieved. Under the letter agreement, on January 2, 2014, the Company issued $0.6 million, or 83,943 shares, of the Company's unregistered common stock. The fixed consideration was determined based upon the existing share calculation at a fair value of $3.80 per common share. On January 2, 2015, the Company would pay $0.8 million in cash to settle all outstanding obligations related to the earn-out component of the Purchase Agreement. In December 2014, the Company amended the letter agreement to defer the January 2, 2015 payment of $0.8 million in cash until February 13, 2015, to settle all outstanding obligations related to the earn-out component of the Purchase Agreement. The final payment was made on February 12, 2015.
	The Company incurred $0.5 million in acquisition and integration related costs for Harris during the year ended March 31, 2014, which included contingent consideration, legal, accounting and other integration related expenses.
	The Purchase Agreement contained customary representations and warranties, as well as indemnification obligations, and limitations thereon, by the Company and the Harris Shareholders.
	The following table summarizes the consideration paid to the Harris Shareholders and the fair value allocation of the purchase price (in thousands):
	Consideration paid to Harris Shareholders:
	Cash	$	5,000
	Seller provided debt	3,124
	Shares of Company common stock	2,065
	Contingent consideration arrangement	612
	Total consideration paid	$	10,801
	Cash and cash equivalents	$	8
	Accounts receivable, net	2,215
	Inventories	1,633
	Other current assets	86
	Property, plant and equipment	117
	Deferred tax asset	141
	Identifiable intangible assets:
	Customer relationships	3,600
	Non-competition agreement	100
	Developed technology	900
	Trade name and trademarks	1,900
	Accounts payable	(1,519		)
	Deferred tax liabilities	(2,263		)
	Accrued and other liabilities	(526		)
	Total identifiable net assets	6,392
	Goodwill	4,409
		$	10,801
	Prior to the amendment discussed above, the contingent consideration arrangement required the Company to pay the Harris Shareholders up to $1.0 million in unregistered shares of the Company's common stock upon Harris' achievement of certain revenue milestones in calendar year 2013 and/or 2014, and, in the case of certain Harris Shareholders who became employees of the Company, their continued employment by the Company. The potential undiscounted amount of all future payments that the Company could have been required to make under the contingent consideration arrangement was between $0 and $1.0 million. The Company recorded $0.6 million for the non-employee Harris Shareholder portion of the contingent consideration liability on the acquisition date. During the years ended March 31, 2014, and March 31, 2015, the Company expensed $0.3 million and $0.1 million, respectively, in compensation expense as contingent consideration for employee Harris shareholders.
	As part of the purchase price allocation, the Company determined that the separately identifiable intangible assets acquired consisted of customer relationships, developed technology, trademarks and trade names, and non-competition agreements. The fair value of the acquired identifiable intangible assets and the goodwill in the table above are provisional pending completion of the final valuations for those assets. All of the intangible asset value was assigned to the Company's Energy Management segment.
	The separately identifiable intangible assets acquired that do not have an indefinite life are amortized over their estimated economic useful life to reflect the pattern of economic benefits consumed based upon the following lives and methods:
	Customer relationships	5-8 years	Accelerated based upon the pattern of economic benefits consumed
	Developed technology	8 years	Accelerated based upon the pattern of economic benefits consumed
	Non-competition agreements	5 years	Straight-line
	Trade name and trademarks	N/A	Indefinite life
	The Company used the income approach to value the customer relationships, developed technology and non-competition agreements. This approach calculates the fair value by discounting the forecasted after-tax cash flows for each intangible asset back to a present value at an appropriate risk-adjusted rate of return. The data for these analyses was the cash flow estimates used to price the transaction. Fair value estimates are based on a complex series of judgments about future events and uncertainties and rely heavily on estimates and assumptions.
	In estimating the useful lives of the acquired assets, the Company considered ASC 350-30-35, General Intangibles Other Than Goodwill, and reviewed the following factors: the expected use by the combined company of the assets acquired, the expected useful life of another asset (or group of assets) related to the acquired assets, legal, regulatory or other contractual provisions that may limit the useful life of an acquired asset, the effects of obsolescence, demand, competition and other economic factors, and the level of maintenance expenditures required to obtain the expected future cash flows from the assets. The Company will amortize these intangible assets over their estimated economic useful lives.
	The goodwill of $4.4 million arising from the Harris acquisition consists largely of the synergies and economies of scale expected from combining operations, and, to a lesser extent, the assembled workforce of Harris. The goodwill was assigned to the Company's US Markets and Engineered Systems segments. None of the acquired goodwill is expected to be deductible for tax purposes.
	The following unaudited pro forma condensed combined results of operations for the years ended March 31, 2013 and 2014, respectively, are based on the historical financial statements of the Company and Harris giving effect to the business combination as if it had occurred at the beginning of the period presented. Therefore, this pro forma data has been adjusted to include amortization of purchased intangible assets and interest on the promissory note delivered as part of the purchase price during the entire applicable periods. Additionally, the tax benefit of $2.3 million recorded during the year ended March 31, 2014 was eliminated and the tax benefit was recorded during the year ended March 31, 2013. This data is not necessarily indicative of the results of operations that would have been generated if the transaction had occurred at the beginning of the respective periods. Moreover, this data is not intended to be indicative of future results of operations (in thousands, other than per share data).
		Acquisition of Harris Pro Forma Results of Operations
		Fiscal Year Ended March 31,
		2013			2014
	Revenue	$	102,198		$	92,868
	Net loss available to common shareholders	(7,489		)	(9,111		)
	Loss per share:
	Basic	$	(0.36	)	$	(0.43	)
	Diluted	(0.36		)	(0.43		)
	The supplemental pro forma results above exclude any benefits that may result from the acquisition due to synergies that are expected to be derived from the elimination of any duplicative costs. In addition, the pro forma results for the year ended March 31, 2014 was adjusted to exclude non-recurring aggregate acquisition-related costs of $0.2 million that were incurred in 2013.

Related_Party_Transactions

Related Party Transactions	12 Months Ended
	Mar. 31, 2015
Related Party Transactions [Abstract]
RELATED PARTY TRANSACTIONS	RELATED PARTY TRANSACTIONS
	During fiscal 2013, the Company purchased goods and services from an entity in the amount of $40,000, for which a director of the Company serves as a member of the board of directors. During fiscal 2014 and 2015, the Company purchased goods and services from an entity in the amount of $20,000 and $38,000, respectively, for which a director of the Company serves as a minority owner and chairman of the board of directors.

LongTerm_Debt

Long-Term Debt	12 Months Ended
	Mar. 31, 2015
Debt Disclosure [Abstract]
LONG-TERM DEBT	LONG-TERM DEBT
	Long-term debt as of March 31, 2014 and 2015 consisted of the following (in thousands):
		March 31,
		2014			2015
	Revolving credit facility	$	—		$	2,500
	Harris seller's note	2,624			1,607
	Customer equipment finance notes payable	2,331			827
	First mortgage note payable	607			—
	Debenture payable	675			—
	Other long-term debt	364			120
	Total long-term debt	6,601			5,054
	Less current maturities	(3,450		)	(1,832		)
	Long-term debt, less current maturities	$	3,151		$	3,222
	Revolving Credit Agreement
	On February 6, 2015, the Company entered into a new credit and security agreement (Credit Agreement) with Wells Fargo Bank, National Association. The Credit Agreement provides for a revolving credit facility (Credit Facility) that matures on February 6, 2018. Borrowings under the Credit Facility are initially limited to $15.0 million, subject to a borrowing base requirement based on eligible receivables and inventory. Such limit may increase to $20.0 million, subject to the borrowing base requirement, after July 31, 2016, if the Company satisfies certain conditions. The Credit Facility includes a $2.0 million sublimit for the issuance of letters of credit.
	From and after any increase in the Credit Facility limit from $15.0 million to $20.0 million, the Credit Agreement will require the Company to maintain as of the end of each month a minimum ratio for the trailing twelve-month period of (i) earnings before interest, taxes, depreciation and amortization, subject to certain adjustments, to (ii) the sum of cash interest expense, certain principal payments on indebtedness and certain dividends, distributions and stock redemptions, equal to at least 1.10 to 1.00. The Credit Agreement also contains other customary covenants, including certain restrictions on the Company’s ability to incur additional indebtedness, consolidate or merge, enter into acquisitions, guarantee obligations of third parties, make loans or advances, declare or pay any dividend or distribution on the Company’s stock, redeem or repurchase shares of the Company’s stock, or pledge or dispose of assets.
	Each subsidiary of the Company is a joint and several co-borrower or guarantor under the Credit Agreement, and the Credit Agreement is secured by a security interest in substantially all of the Company’s and each subsidiary’s personal property (excluding various assets relating to customer OTAs) and a mortgage on certain real property.
	Borrowings under the Credit Agreement bear interest at the daily three-month LIBOR plus 3.0% per annum, with a minimum interest charge for each year or portion of a year during the term of the Credit Agreement of $130,000, regardless of usage. As of March 31, 2015, the interest rate was 3.26%. The Company must pay an unused line fee of 0.25% per annum of the daily average unused amount of the Credit Facility and a letter of credit fee at the rate of 3.0% per annum on the undrawn amount of letters of credit outstanding from time to time under the Credit Facility.
	As of March 31, 2015, the Company had no outstanding letters of credit. Borrowings outstanding as of March 31, 2015, amounted to approximately $2.5 million and are included in non-current liabilities in the accompanying Consolidated Balance Sheet. The Company estimates that as of March 31, 2015, it was eligible to borrow an additional $4.4 million under the Credit Facility based upon current levels of eligible inventory and accounts receivable.
	The Company was in compliance with its covenants in the Credit Agreement as of March 31, 2015.
	Prior Credit Agreements with JP Morgan
	The Company previously had an amended credit agreement (Prior Credit Agreement) with JP Morgan Chase Bank, N.A. (JP Morgan) that provided for a revolving credit facility (Prior Credit Facility). Borrowings under the Prior Credit Facility were limited to $15.0 million, subject to a borrowing base requirement when the outstanding principal balance of loans under the Prior Credit Facility was greater than $5.0 million. In addition, the Company previously had a credit agreement with JP Morgan that provided up to $5.0 million that was immediately available to fund completed customer contracts under its OTA finance program. The Company had one year from the date of the commitment to borrow under the credit agreement, which expired on September 30, 2012 for new borrowings.
	On November 6, 2014, the Company received a letter from JP Morgan terminating the bank’s obligations to make any further loans to the Company, and declaring the outstanding loans due and payable, under the revolving Prior Credit Agreement and the OTA credit agreement due to the Company’s failure to meet certain financial covenants. As of such date, the Company had an outstanding OTA credit agreement loan balance of $467,000 and no amounts outstanding on the Prior Credit Agreement. The Company fully satisfied its outstanding obligations under the OTA credit agreement with existing cash balances.
	Harris Seller's Note
	On July 1, 2013, the Company issued an unsecured and subordinated promissory note in the principal amount of $3.1 million to partially fund the acquisition of Harris. The note is included in the table above as Harris seller's note. The note bears interest at the rate of 4% per annum. Principal and interest are payable quarterly and the note matures in July 2016.
	Customer Equipment Finance Notes Payable
	In December 2014, the Company entered into a secured borrowing agreement with De Lage Landen Financial Services, Inc. in the principal amount of $0.4 million to fund completed customer contracts under its OTA finance program that were previously funded under the OTA credit agreement with JP Morgan, which was terminated in November 2014. This note is included in the table above as customer equipment finance notes payable. The loan amount is secured by the OTA-related equipment and the expected future monthly payments under the supporting 25 individual OTA customer contracts. The borrowing agreement bears interest at a rate of 8.36% and matures in December 2016.
	In September 2010, the Company entered into a note agreement with a financial institution that provided the Company with $2.4 million to fund completed customer contracts under the Company’s OTA finance program. In February 2011, the Company sold a portion of the OTA contracts collateralizing the note to a third party equipment finance company. Accordingly, the Company repaid $1.3 million of the outstanding note balance and recorded a prepayment penalty of $33,000. The note was paid in full in March 2015. This note is included in the table above as customer equipment finance notes payable. The note was collateralized by the OTA-related equipment and the expected future monthly payments under the supporting 12 individual OTA customer contracts. The note bore interest at 7%.
	In March 2011, the Company entered into a note agreement with a financial institution that provided the Company with $0.9 million to fund completed customer contracts under the Company’s OTA finance program. This note is included in the table above as customer equipment finance notes payable. The note was paid in full in March 2015. The note was collateralized by the OTA-related equipment and the expected future monthly payments under the supporting three individual OTA customer contracts. The note bore interest at 7% and required monthly payments of $20,900.
	In June 2011, the Company entered into a note agreement with a financial institution that provided the Company with $2.8 million to fund completed customer contracts under the Company’s OTA finance program. This note is included in the table above as customer equipment finance notes payable. The note is collateralized by the OTA-related equipment and the expected future monthly payments under the supporting 40 individual OTA contracts. The note bears interest at 7.85% and matures in April 2016. The note agreement includes a debt service covenant with respect to the supporting OTA contracts that the aggregate amount of all remaining scheduled payments due with respect to the individual OTA contracts be not less than 1.25 to 1.0 of the remaining principal and interest payments due under the loan. As of March 31, 2015 the Company was in compliance with the debt service covenant.
	First Mortgage Note Payable
	In December 2014, the Company entered into an amendment to its mortgage note payable to extend the maturity date from December 1, 2014 to April 1, 2015 on its remaining principal amount of $0.5 million. The Company’s term note was satisfied in full in February 2015. The Company’s first mortgage note payable had an interest rate of prime plus 2.25% (effective rate of 5.50% at March 31, 2015), and required monthly payments of principal and interest of $10,000. This note is included in the table above as first mortgage note payable. The mortgage was secured by a first mortgage on the Company’s manufacturing facility.
	Debenture Payable
	The Company’s debenture payable was satisfied in full in February 2015. The Company’s debenture payable was issued by Certified Development Company at an effective interest rate of 4.94%. The balance was payable in monthly principal and interest payments of $8,000 and was guaranteed by United States Small Business Administration 504 program. This payable is included in the table above as debenture payable. The amount due was collateralized by a second mortgage on the manufacturing facility.
	Other Long-Term Debt
	In November 2007, the Company completed a Wisconsin Community Development Block Grant with the local city government to provide financing in the amount of $750,000 for the purpose of acquiring additional production equipment. The loan was paid in full in December 2014. This loan is included in the table above as other long-term debt. The loan had an interest rate of 4.9% and was collateralized by the related equipment. The loan required monthly payments of $11,000 through December 2014.
	In September 2010, the Company entered into a note agreement with the Wisconsin Department of Commerce that provided the Company with $0.3 million to fund the Company’s rooftop solar project at its Manitowoc manufacturing facility. This note is included in the table above as other long-term debt. The note is collateralized by the related solar equipment. The note allowed for two years without interest accruing or principal payments due. Beginning in July 2012, the note bears interest at 2% and requires monthly payments of $4,600. The note matures in June 2017. The note agreement requires the Company to maintain a certain number of jobs at its Manitowoc facilities during the note’s duration. The Company was in compliance with all covenants in the note agreement as of March 31, 2015.
	In January 2011, the Company amended its November 2007 Wisconsin Community Development Block Grant with the local city government to provide the Company with $0.2 million to fund equipment at its Manitowoc facility. The loan was paid in full in December 2014. This loan is included in the table above as other long-term debt. The amendment to the loan agreement was collateralized by the related equipment. The loan bore interest at 2.1125% and required monthly payments of $3,600 through December 2014.
	Other long-term debt consisted of a promissory note from the state government to provide working capital and equipment for the development of daylighting technologies. The loan was paid in full in February 2015. The note was secured by the related equipment. The loan bore interest at 2.0% and required monthly payments of $3,400.
	Aggregate Maturities
	As of March 31, 2015, aggregate maturities of long-term debt were as follows (in thousands):
	Fiscal 2016	$	1,832
	Fiscal 2017	706
	Fiscal 2018	2,516
	Fiscal 2019	—
	Thereafter	—
		$	5,054

Income_Taxes

Income Taxes	12 Months Ended
	Mar. 31, 2015
Income Tax Disclosure [Abstract]
INCOME TAXES	INCOME TAXES
	The total provision (benefit) for income taxes consists of the following for the fiscal years ending (in thousands):
		Fiscal Year Ended March 31,
		2013				2014				2015
	Current	$	(180	)		$	19			$	49
	Deferred	4,253				(2,077		)		—
		$	4,073			$	(2,058	)		$	49
		2013				2014				2015
	Federal	$	3,803			$	(1,830	)		$	—
	State	270				(228		)		49
		$	4,073			$	(2,058	)		$	49
	A reconciliation of the statutory federal income tax rate and effective income tax rate is as follows:
		Fiscal Year Ended March 31,
		2013			2014			2015
	Statutory federal tax rate	34	%		34	%		34	%
	State taxes, net	2.3	%		2.8	%		3.6	%
	Federal tax credit	3.9	%		0.9	%		0.2	%
	State tax credit	(0.5	)%		0.4	%		0.1	%
	Change in valuation reserve	(111.7	)%		(10.2	)%		(37.0	)%
	Permanent items	2.3	%		(2.9	)%		(0.1	)%
	Change in tax contingency reserve	3.4	%		(0.3	)%		—	%
	Other, net	1.9	%		0.2	%		(1.0	)%
	Effective income tax rate	(64.4	)%		24.9	%		(0.2	)%
	The net deferred tax assets and liabilities reported in the accompanying consolidated financial statements include the following components (in thousands):
		March 31,
		2014				2015
	Inventory, accruals and reserves	$	1,445			$	5,297
	Other	139				159
	Deferred revenue	44				91
	Valuation allowance	(1,628		)		(5,547		)
	Total net current deferred tax assets and liabilities	$	—			$	—
	Federal and state operating loss carryforwards	6,233				13,154
	Tax credit carryforwards	1,498				1,475
	Non-qualified stock options	2,541				2,914
	Deferred revenue	23				7
	Fixed assets	(1,889		)		(1,698		)
	Intangible assets	(2,125		)		(1,687		)
	Valuation allowance	(6,281		)		(14,165		)
	Total net long-term deferred tax assets and liabilities	$	—			$	—
	Total net deferred tax assets	$	—			$	—
	The Company is eligible for tax benefits associated with the excess of the tax deduction available for exercises of non-qualified stock options, or NQSOs, over the amount recorded at grant. The amount of the benefit is based upon the ultimate deduction reflected in the applicable income tax return. Benefits of $0.1 million, $13,000 and $0 were recorded in fiscal 2013, fiscal 2014 and fiscal 2015, respectively, as a reduction in taxes payable and a credit to additional paid in capital based on the amount that was utilized in the current year.
	As of March 31, 2015, the Company has federal net operating loss carryforwards of approximately $38.6 million, of which $3.8 million are associated with the exercise of NQSOs that have not yet been recognized by the Company in its financial statements. The Company also has state net operating loss carryforwards of approximately $28.9 million, of which $4.1 million are associated with the exercise of NQSOs. The Company also has federal tax credit carryforwards of approximately $1.5 million and state tax credits of $0.8 million. For the fiscal year ended March 31, 2015, the Company has recorded a valuation allowance of $19.7 million, equaling the net deferred tax asset due to the uncertainty of its realization value in the future. For the fiscal years ended March 31, 2014 and March 31, 2015, the valuation allowance against the Company's net federal and net state deferred tax assets increased $0.8 million and $11.8 million, respectively. The Company considers future taxable income and ongoing prudent and feasible tax planning strategies in assessing the need for the valuation allowance. In the event that the Company determines that the deferred tax assets are able to be realized, an adjustment to the deferred tax asset would increase income in the period such determination is made.
	Generally, a change of more than 50% in the ownership of the Company's stock, by value, over a three year period constitutes an ownership change for federal income tax purposes as defined under Section 382 of the Internal Revenue Code. As a result, the Company's ability to use its net operating loss carryforwards, attributable to the period prior to such ownership change, to offset taxable income can be subject to limitations in a particular year, which could potentially result in increased future tax liability for the Company. The Company does not believe an ownership change affects the use of the full amount of the net operating loss carryforwards. There was no limitation that occurred for fiscal 2013, fiscal 2014, or fiscal 2015.
	The Company records its tax provision based on the respective tax rules and regulations for the jurisdictions in which it operates. Where the Company believes that a tax position is supportable for income tax purposes, the item is included in their income tax returns. Where treatment of a position is uncertain, a liability is recorded based upon the expected most likely outcome taking into consideration the technical merits of the position based on specific tax regulations and facts of each matter. These liabilities may be affected by changing interpretations of laws, rulings by tax authorities, or the expiration of the statute of limitations.
	As of December 31, 2011, an examination of the Company’s U.S. federal income tax returns for tax years 2009 to 2011 was complete. The resolution of this examination did not have a material effect on its business, financial condition, results of operations or liquidity.
	State income tax returns are generally subject to examination for a period of 3 to 5 years after filing of the respective return. The state effect of any federal changes remains subject to examination by various states for a period of up to two years after formal notification to the states. The Company currently has no state income tax return positions in the process of examination, administrative appeals or litigation.
	Uncertain tax positions
	As of March 31, 2015, the balance of gross unrecognized tax benefits was approximately $0.2 million, all of which would reduce the Company’s effective tax rate if recognized. The Company does not expect these amounts to change in the next twelve months as none of the issues are currently under examination, the statutes of limitations do not expire within the period, and the Company is not aware of any pending litigation.
	The Company has classified the amounts recorded for uncertain tax benefits in the balance sheet as other liabilities (non-current) to the extent that payment is not anticipated within one year. The Company recognizes penalties and interest related to uncertain tax liabilities in income tax expense. Penalties and interest are immaterial as of the date of adoption and are included in the unrecognized tax benefits. The Company had the following unrecognized tax benefit activity (in thousands):
		Fiscal Year Ended March 31,
		2013				2014				2015
	Unrecognized tax benefits as of beginning of fiscal year	$	406			$	188			$	210
	Additions based on tax positions related to the current period positions	16				22				2
	Reduction for tax positions of prior years	(1		)		—				—
	Reduction due to lapse of statute of limitations	(233		)		—				—
	Unrecognized tax benefits as of end of fiscal year	$	188			$	210			$	212

Commitments_and_Contingencies

Commitments and Contingencies	12 Months Ended
	Mar. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES	COMMITMENTS AND CONTINGENCIES
	Operating Leases
	The Company leases vehicles and equipment under operating leases expiring at various dates through 2021. Rent expense under operating leases was $1,613,000, $1,238,000 and $398,000 for fiscal 2013, 2014 and 2015, respectively. Total annual commitments under non-cancelable operating leases with terms in excess of one year at March 31, 2015 are as follows (in thousands):
	Fiscal 2016	$	265
	Fiscal 2017	159
	Fiscal 2018	96
	Thereafter	—
		$	520
	Purchase Commitments
	The Company enters into non-cancellable purchase commitments for certain inventory items in order to secure better pricing and ensure materials on hand and capital expenditures. As of March 31, 2015, the Company had entered into $4.3 million of purchase commitments related to fiscal 2016 for inventory purchases.
	Retirement Savings Plan
	The Company sponsors a tax deferred retirement savings plan that permits eligible employees to contribute varying percentages of their compensation up to the limit allowed by the Internal Revenue Service. This plan also provides for discretionary Company contributions. In fiscal 2013, 2014 and 2015, the Company made matching contributions of approximately $8,000, $26,000 and $23,000, respectively.
	Litigation
	The Company is subject to various claims and legal proceedings arising in the ordinary course of business. As of the date hereof, the Company is unable to currently assess whether the final resolution of any of such claims or legal proceedings may have a material adverse effect on the Company. In addition to ordinary-course litigation, the Company is a party to the proceedings described below.
	On March 27, 2014, the Company was named as a defendant in a civil lawsuit filed by Neal R. Verfuerth, the Company's former chief executive officer who was terminated for cause in November 2012, in the United States District Court for the Eastern District of Wisconsin (Green Bay Division). The plaintiff alleges, among other things, that the Company breached certain agreements entered into with the plaintiff, including the plaintiff’s employment agreement, and violated certain laws. The complaint seeks, among other relief, unspecified pecuniary and compensatory damages, fees and such other relief as the court may deem just and proper. On November 4, 2014, the court granted the Company's motion to dismiss six of the plaintiff's claims. On January 9, 2015, the plaintiff filed an amended complaint re-alleging claims that were dismissed by the court, including, among other things, a retaliation claim and certain claims with respect to prior management agreements and certain intellectual property rights. On January 22, 2015, the Company filed a motion to dismiss and a motion to strike certain of the claims made in the amended complaint. On May 18, 2015, the court dismissed the intellectual property claims re-alleged in the January 9, 2015 amended complaint. The Company believes that it has substantial legal and factual defenses to the claims and allegations remaining in the case and that the Company will prevail in this proceeding. The Company intends to continue to defend against the claims vigorously. Based upon the current status of the lawsuit, the Company is currently unable to estimate any potential adverse impact on the Company from the plaintiff's claims and the Company does not believe the lawsuit will have a material adverse impact on its future continuing results of operations.
	On May 29, 2014, the Equal Employment Opportunity Commission (EEOC) filed a claim against the Company alleging certain violations of the Americans with Disabilities Act (ADA) with regard to an employee. In addition, on August 20, 2014, the EEOC filed a claim against the Company alleging certain violations of the ADA with respect to the Company's wellness program. The Company does not believe these claims will have a material adverse impact on its future results of operations.
	State Tax Assessment
	The Company is currently negotiating a settlement with the Wisconsin Department of Revenue with respect to an assessment regarding the proper classification of the Company’s products for tax purposes under Wisconsin law. The issue under review is whether the installation of the Company’s lighting systems is considered a real property construction activity under Wisconsin law. The Company currently expects to resolve this matter with the Wisconsin Department of Revenue in fiscal 2016.

Shareholders_Equity

Shareholders' Equity	12 Months Ended
	Mar. 31, 2015
Stockholders' Equity Note [Abstract]
SHAREHOLDERS' EQUITY	SHAREHOLDERS’ EQUITY
	Common Stock Transactions
	On February 20, 2015, the Company completed an underwritten public offering of 5.46 million shares of its common stock, at an offering price to public of $3.50 per share. Net proceeds of the offering approximated $17.5 million.
	Share Repurchase Program and Treasury Stock
	In October 2011, the Company’s Board of Directors approved a share repurchase program authorizing the Company to repurchase in aggregate up to a maximum of $1.0 million of the Company’s outstanding common stock. In November 2011, the Company’s Board of Directors approved an increase to the share repurchase program authorizing the Company to repurchase in aggregate up to a maximum of $2.5 million of the Company’s outstanding common stock. In April 2012, the Company's Board approved another increase to the share repurchase program authorizing the Company to repurchase in aggregate up to a maximum of $7.5 million of the Company's outstanding common stock. As of March 31, 2015, the Company had repurchased 3.0 million shares of common stock at a cost of $6.8 million under the program. The Company did not repurchase any shares in fiscal 2014 or fiscal 2015 and does not intend to repurchase any additional common stock under this program in the near-term.
	Shareholder Rights Plan
	On January 7, 2009, the Company’s Board of Directors adopted a shareholder rights plan and declared a dividend distribution of one common share purchase right (Right) for each outstanding share of the Company’s common stock. The issuance date for the distribution of the Rights was February 15, 2009 to shareholders of record on February 1, 2009. Each Right entitles the registered holder to purchase from the Company one share of the Company’s common stock at a price of $30.00 per share, subject to adjustment (Purchase Price).
	The Rights will not be exercisable (and will be transferable only with the Company’s common stock) until a “Distribution Date” occurs (or the Rights are earlier redeemed or expire). A Distribution Date generally will occur on the earlier of a public announcement that a person or group of affiliated or associated persons (Acquiring Person) has acquired beneficial ownership of 20% or more of the Company’s outstanding common stock (Shares Acquisition Date) or 10 business days after the commencement of, or the announcement of an intention to make, a tender offer or exchange offer that would result in any such person or group of persons acquiring such beneficial ownership.
	If a person becomes an Acquiring Person, holders of Rights (except as otherwise provided in the shareholder rights plan) will have the right to receive that number of shares of the Company’s common stock having a market value of two times the then-current Purchase Price, and all Rights beneficially owned by an Acquiring Person, or by certain related parties or transferees, will be null and void. If, after a Shares Acquisition Date, the Company is acquired in a merger or other business combination transaction or 50% or more of its consolidated assets or earning power are sold, proper provision will be made so that each holder of a Right (except as otherwise provided in the shareholder rights plan) will thereafter have the right to receive that number of shares of the acquiring company’s common stock which at the time of such transaction will have a market value of two times the then-current Purchase Price.
	Until a Right is exercised, the holder thereof, as such, will have no rights as a shareholder of the Company. At any time prior to a person becoming an Acquiring Person, the Board of Directors of the Company may redeem the Rights in whole, but not in part, at a price of $0.001 per Right. Unless they are extended or earlier redeemed or exchanged, the Rights will expire on January 7, 2019.
	Employee Stock Purchase Plan
	In August 2010, the Company’s board of directors approved a non-compensatory employee stock purchase plan, or ESPP. The ESPP authorizes 2,500,000 million shares to be issued from treasury or authorized shares to satisfy employee share purchases under the ESPP. All full-time employees of the Company are eligible to be granted a non-transferable purchase right each calendar quarter to purchase directly from the Company up to $20,000 of the Company’s common stock at a purchase price equal to 100% of the closing sale price of the Company’s common stock on the NYSE MKT exchange on the last trading day of each quarter. The ESPP allows for employee loans from the Company, except for Section 16 officers, limited to 20% of an individual’s annual income and no more than $250,000 outstanding at any one time. Interest on the loans is charged at the 10-year loan IRS rate and is payable at the end of each calendar year or upon loan maturity. The loans are secured by a pledge of any and all the Company’s shares purchased by the participant under the ESPP and the Company has full recourse against the employee, including offset against compensation payable. As of March 31, 2013, the Company had halted the loan program. The Company had the following shares issued from treasury during fiscal 2014 and fiscal 2015:
		As of March 31, 2014
		Shares Issued Under ESPP	Closing Market	Shares Issued Under Loan	Dollar Value of		Repayment of
		Plan	Price	Program	Loans Issued		Loans
	Quarter Ended June 30, 2013	990	$2.48	—	$	—	$	823
	Quarter Ended September 30, 2013	702	$3.76	—	—		118,309
	Quarter Ended December 31, 2013	319	$6.80	—	—		94,300
	Quarter Ended March 31, 2014	362	$7.25	—	—		1,677
	Total	2,373	$2.48 - 7.25	—	$	—	$	215,109
		As of March 31, 2015
		Shares Issued Under ESPP	Closing Market	Shares Issued Under Loan	Dollar Value of		Repayment of
		Plan	Price	Program	Loans Issued		Loans
	Quarter Ended June 30, 2014	383	$4.07	—	$	—	$	9,600
	Quarter Ended September 30, 2014	322	$5.35	—	—		1,000
	Quarter Ended December 31, 2014	289	$5.41	—	—		—
	Quarter Ended March 31, 2015	492	$3.14	—	—		35,400
	Total	1,486	$3.14 - 5.41	—	$	—	$	46,000
	Loans issued to employees are reflected on the Company’s balance sheet as a contra-equity account.

Stock_Options_Restricted_Share

Stock Options, Restricted Shares and Warrants	12 Months Ended
	Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
STOCK OPTIONS, RESTRICTED SHARES AND WARRANTS	STOCK OPTIONS, RESTRICTED SHARES AND WARRANTS
	The Company grants stock options and restricted stock under its 2003 Stock Option and 2004 Stock and Incentive Awards Plans (Plans). Under the terms of the Plans, the Company has reserved 13,500,000 shares for issuance to key employees, consultants and directors. The options generally vest and become exercisable ratably between one month and five years although longer and shorter vesting periods have been used in certain circumstances. Exercisability of the options granted to employees are generally contingent on the employees’ continued employment and non-vested options are subject to forfeiture if employment terminates for any reason. Options under the Plans have a maximum life of 10 years. In the past, the Company has granted both ISOs and NQSOs, although in July 2008, the Company adopted a policy of thereafter only granting NQSOs. In fiscal 2011, the Company converted all of its existing ISO awards to NQSO awards. No consideration was given to the employees for their voluntary conversion of ISO awards. Certain non-employee directors have elected to receive stock awards in lieu of cash compensation pursuant to elections made under the Company’s non-employee director compensation program. The Plans also provide to certain employees accelerated vesting in the event of certain changes of control of the Company as well as under other special circumstances.
	In June 2012, the Company's compensation committee approved the issuance of restricted shares under the Plans to key employees to provide an opportunity for such employees to earn long-term equity incentive awards. In May 2013, the compensation committee of the Board of Directors changed the Company's long-term equity incentive grant policy so that only restricted shares are issued to all employees under the Plans. The restricted shares are settled in Company stock when the restriction period ends. Compensation cost for restricted shares granted to employees is recognized ratably over the vesting term, which is between three to five years. Settlement of the shares is contingent on the employees’ continued employment and non-vested shares are subject to forfeiture if employment terminates for any reason. In fiscal 2014, an aggregate of 526,663 restricted shares were granted valued at a price per share between $2.41 and $6.97, which was the closing market price as of each grant date. In fiscal 2015, an aggregate of 410,496 restricted shares were granted valued at a price per share between $4.16 and $7.23, which was the closing market price as of each grant date.
	In fiscal 2013, the Company granted 30,422 shares from the 2004 Stock and Incentive Awards Plan to certain non-employee directors who elected to receive stock awards in lieu of cash compensation. The shares were valued ranging from $1.62 to $2.57 per share, the closing market price as of the issuance dates. In fiscal 2014, the Company granted 33,641 shares from the 2004 Stock and Incentive Awards Plan to certain non-employee directors who elected to receive stock awards in lieu of cash compensation. The shares were valued ranging from $2.41 to $5.73 per share, the closing market price as of the issuance dates. In fiscal 2015, the Company granted 27,931 shares from the 2004 Stock and Incentive Awards Plan to certain non-employee directors who elected to receive stock awards in lieu of cash compensation. The shares were valued ranging from $4.20 to $5.23 per share, the closing market price as of the issuance dates. Additionally, during fiscal 2013, the Company issued 3,000 shares to a consultant as part of a consulting compensation agreement. The shares were valued at $2.03 per share, the closing market price as of the issuance date.
	In fiscal 2014, the Company recorded $0.2 million of stock-based compensation related to the deferred consideration for employee Harris Shareholders resulting from the Harris acquisition. The following amounts of stock-based compensation were recorded (in thousands):
		Fiscal Year Ended March 31,
		2013				2014			2015
	Cost of product revenue	$	114			$	70		$	50
	General and administrative	578				1,025			1,056
	Sales and marketing	451				485			360
	Research and development	21				13			33
		$	1,164			$	1,593		$	1,499
	The number of shares available for grant under the plans were as follows:
	Available at March 31, 2012	1,406,090
	Granted stock options	(1,054,876	)
	Granted shares	(33,422	)
	Restricted Shares	(163,750	)
	Forfeited restricted shares	58,750
	Forfeited stock options	1,419,986
	Available at March 31, 2013	1,632,778
	Granted stock options	(305,544	)
	Granted shares	(33,641	)
	Restricted Shares	(526,663	)
	Forfeited restricted shares	69,375
	Forfeited stock options	455,691
	Available at March 31, 2014	1,291,996
	Granted stock options	—
	Granted shares	(27,931	)
	Restricted shares	(410,496	)
	Forfeited restricted shares	74,957
	Forfeited stock options	150,074
	Available at March 31, 2015	1,078,600
	The following table summarizes information with respect to outstanding stock options:
		Number of			Weighted			Weighted			Aggregate Intrinsic
		Shares			Average Exercise			Average Fair			Value
					Price			Value of
								Options
								Granted
	Outstanding at March 31, 2012	3,697,633			$	3.76		1.95
	Granted	1,054,876			$	1.98
	Exercised	(20,000	)		$	2.25
	Forfeited	(1,419,986	)		$	3.26
	Outstanding at March 31, 2013	3,312,523			$	3.42		1.23
	Granted	305,544			$	1.98
	Exercised	(446,059	)		$	2.25
	Forfeited	(455,691	)		$	3.26
	Outstanding at March 31, 2014	2,716,317			$	3.43		1.32
	Granted	—			$	—
	Exercised	(139,407	)		$	2.46
	Forfeited	(150,074	)		$	3.13
	Outstanding at March 31, 2015	2,426,836			$	3.5		—			$	1,231,344
	Exercisable at March 31, 2015	1,844,994									$	740,802
	The following table summarizes the range of exercise prices on outstanding stock options at March 31, 2015:
		31-Mar-15
		Outstanding			Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price	Vested			Weighted Average Exercise Price
	$1.62 - 2.25	781,276			5.88		$1.99	456,551			$2.01
	$2.41 - 2.75	436,144			7.18		2.47	285,432			2.46
	$2.86 - 4.28	773,459			4.98		3.43	667,054			3.46
	$4.49 - 4.76	44,400			2.19		4.63	44,400			4.63
	$5.35 - 6.05	218,706			3.99		5.46	218,706			5.46
	$9.00	43,000			2.61		9	43,000			9
	$10.14 - 11.61	129,851			3.05		10.99	129,851			10.99
		2,426,836			5.38		$3.50	1,844,994			$3.87
	The aggregate intrinsic value represents the total pre-tax intrinsic value, which is calculated as the difference between the exercise price of the underlying stock options and the fair value of the Company’s closing common stock price of $3.14 as of March 31, 2015.
Unrecognized compensation cost related to non-vested common stock-based compensation as of March 31, 2015 is as follows (in thousands):
Fiscal 2016	$	1,277
Fiscal 2017	902
Fiscal 2018	487
Fiscal 2019	201
Fiscal 2020	22
Thereafter	—
	$	2,889
Remaining weighted average expected term	3.5 years
During fiscal 2015, the Company granted restricted shares as follows (which are included in the above stock plan activity tables):
Balance at March 31, 2014	539,204
Shares issued	410,496
Shares vested	(170,055		)
Shares forfeited	(74,957		)
Shares outstanding at March 31, 2015	704,688
Per share price on grant date	$4.16-7.23
Compensation expense	$	1,034,945
As of March 31, 2015, the weighted average grant-date fair value of restricted shares granted was $4.63.
The Company previously issued warrants in connection with various stock offerings and services rendered. The warrants granted the holder the option to purchase common stock at specified prices for a specified period of time. No warrants were issued in fiscal 2013, 2014 or 2015. During fiscal 2015, all warrants outstanding for a total of 38,980 shares were exercised at $2.25 per share, and as a result, none remaining outstanding.
A summary of warrant activity is as follows:
	Number of			Weighted
	Shares			Average
				Exercise Price
Outstanding at March 31, 2012	38,980			$	2.25
Issued	—			—
Exercised	—			$	—
Cancelled	—			$	—
Outstanding at March 31, 2013	38,980			$	2.25
Issued	—			—
Exercised	—			—
Cancelled	—			—
Outstanding at March 31, 2014	38,980			$	2.25
Issued	—			—
Exercised	(38,980	)		2.25
Cancelled	—			—
Outstanding at March 31, 2015	—			$	—

Segment_Data

Segment Data	12 Months Ended
	Mar. 31, 2015
Segment Reporting [Abstract]
SEGMENT DATA	SEGMENT DATA
	Beginning in fiscal 2015, the Company reorganized its business into the following business segments: U.S. markets, Orion engineered systems and Orion distribution services. The accounting policies are the same for each business segment as they are on a consolidated basis. Historically, sales of all of the Company's lighting products and the related costs were included in its energy management division.
	The descriptions of the Company’s segments and their summary financial information are presented below.
	U.S. Markets
	The U.S. Markets Division sells lighting solutions into the wholesale markets.
	Engineered Systems
	The Engineered Systems Division sells lighting products and construction and engineering services direct to end users. The Engineered Systems Division also completes the construction management services related to existing contracted solar PV projects.
	Distribution Services
	The Distribution Services Division sells lighting products internationally and is developing a network of broad line distributors.
	Corporate and Other
	Corporate and Other is comprised of operating expenses not directly allocated to the Company’s segments and adjustments to reconcile to consolidated results, which primarily include intercompany eliminations.
		Revenues						Operating (Loss) Profit
		For the year ended March 31,						For the year ended March 31,
	(dollars in thousands)	2013		2014		2015		2013			2014			2015
	Segments:
	U.S. Markets	$	30,262	$	38,766	$	37,778	$	110		$	(1,012	)	$	(12,542	)
	Engineered Systems	55,824		49,857		33,454		806			1,260			(12,431		)
	Distribution Services	—		—		978		—						(455		)
	Corporate and Other	—		—		—		(7,520		)	(8,591		)	(6,508		)
		$	86,086	$	88,623	$	72,210	$	(6,604	)	$	(8,343	)	$	(31,936	)
		Depreciation and Amortization						Capital Expenditures
		For the year ended March 31,						For the year ended March 31,
	(dollars in thousands)	2013		2014		2015		2013			2014			2015
	Segments:
	U.S. Markets	$	1,774	$	2,667	$	1,711	$	993		$	276		$	626
	Engineered Systems	249		302		1,404		50			—			495
	Distribution Services	—		—		32		—			—			40
	Corporate and Other	2,554		1,569		1,036		1,116			134			845
		$	4,577	$	4,538	$	4,183	$	2,159		$	410		$	2,006
		Total Assets				Deferred Revenue
	(dollars in thousands)	March 31, 2014		March 31, 2015		March 31, 2014		March 31, 2015
	Segments:
	U.S. Markets	$	36,340	$	27,769	$	244	$	157
	Engineered Systems	28,309		27,435		1,686		1,363
	Distribution Services	—		261		—		—
	Corporate and Other	34,291		32,340		—		—
		$	98,940	$	87,805	$	1,930	$	1,520
	The Company’s revenue and long-lived assets outside the United States are insignificant.

Subsequent_Events

Subsequent Events	12 Months Ended
	Mar. 31, 2015
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	SUBSEQUENT EVENTS
	On June 3, 2015, the Company provided written notice to The New York Stock Exchange that the Company expects to voluntarily cease trading on the NYSE MKT and intends to transfer its listing to the NASDAQ Capital Market to commence trading on June 15, 2015.

Quarterly_Financial_Data_Unaud

Quarterly Financial Data (Unaudited)	12 Months Ended
	Mar. 31, 2015
Quarterly Financial Data [Abstract]
QUARTERLY FINANCIAL DATA (UNAUDITED)	QUARTERLY FINANCIAL DATA (UNAUDITED)
	Summary quarterly results for the years ended March 31, 2014 and March 31, 2015 are as follows:
		Three Months Ended
		Jun 30, 2013			Sep 30, 2013			Dec 31, 2013			Mar 31, 2014			Total
		(in thousands, except per share amounts)
	Total revenue	$	20,852		$	27,495		$	27,692		$	12,584		$	88,623
	Gross profit	$	5,723		$	7,829		$	8,150		$	1,278		$	22,980
	Net income (loss)	$	(781	)	$	2,403		$	1,018		$	(8,839	)	$	(6,199	)
	Basic net income per share	$	(0.04	)	$	0.11		$	0.05		$	(0.41	)	$	(0.30	)
	Shares used in basic per share calculation	20,174			21,090			21,220			21,469			20,988
	Diluted net income per share	$	(0.04	)	$	0.11		$	0.05		$	(0.41	)	$	(0.30	)
	Shares used in diluted per share calculation	20,174			21,542			22,329			21,469			20,988
		Three Months Ended
		Jun 30, 2014			Sep 30, 2014			Dec 31, 2014			Mar 31, 2015			Total
		(in thousands, except per share amounts)
	Total revenue	$	13,313		$	13,393		$	26,138		$	19,366		$	72,210
	Gross profit	$	2,612		$	(10,555	)	$	3,824		$	2,982		$	(1,137	)
	Net income (loss)	$	(4,359	)	$	(18,346	)	$	(4,663	)	$	(4,693	)	$	(32,061	)
	Basic net income per share	$	(0.20	)	$	(0.84	)	$	(0.21	)	$	(0.19	)	$	(1.43	)
	Shares used in basic per share calculation	21,669			21,820			21,883			24,071			22,353
	Diluted net income per share	$	(0.20	)	$	(0.84	)	$	(0.21	)	$	(0.19	)	$	(1.43	)
	Shares used in diluted per share calculation	21,669			21,820			21,883			24,071			22,353
	The four quarters for net earnings per share may not add to the total year because of differences in the weighted average number of shares outstanding during the quarters and the year.

Summary_of_Significant_Account1

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Mar. 31, 2015
Accounting Policies [Abstract]
Principles of Consolidation	Principles of Consolidation
	The consolidated financial statements include the accounts of Orion Energy Systems, Inc. and its wholly-owned subsidiaries. All significant intercompany transactions and balances have been eliminated in consolidation.
Reclassifications	Reclassifications
	Where appropriate, certain reclassifications were made to prior years' financial statements to conform to the current year presentation.
Use of Estimates	Use of Estimates
	The preparation of financial statements in conformity with Generally Accepted Accounting Principles, or GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and reported amounts of revenues and expenses during that reporting period. Areas that require the use of significant management estimates include revenue recognition, inventory obsolescence and bad debt reserves, accruals for warranty expenses, income taxes and certain equity transactions. Accordingly, actual results could differ from those estimates.
Cash and Cash Equivalents	Cash and Cash Equivalents
	The Company considers all highly liquid, short-term investments with original maturities of three months or less to be cash equivalents.
Short-Term Investments	Short-Term Investments
	The amortized cost and fair value of short-term investments, with gross unrealized gains and losses, as of March 31, 2014 and 2015 were as follows (in thousands):
	31-Mar-14
		Amortized			Unrealized			Unrealized		Fair Value			Cash and Cash		Short-Term
		Cost			Gains			Losses					Equivalents		Investments
	Money market funds	$	488		$	—		$	—	$	488		$	488	$	—
	Bank certificate of deposit	470			—			—		470			—		470
	Total	$	958		$	—		$	—	$	958		$	488	$	470
	31-Mar-15
		Amortized			Unrealized			Unrealized		Fair Value			Cash and Cash		Short-Term
		Cost			Gains			Losses					Equivalents		Investments
	Money market funds	$	—		$	—		$	—	$	—		$	—	$	—
	Bank certificate of deposit	—			—			—		—			—		—
	Total	$	—		$	—		$	—	$	—		$	—	$	—
	As of March 31, 2014 , the Company’s financial assets described in the table above were measured at cost which approximates fair value due to the short-term nature of the investment (level 1 inputs).
Fair Value of Financial Instruments	Fair Value of Financial Instruments
	The Company’s financial instruments consist of cash, short-term investments, accounts receivable, accounts payable, accrued expenses and other and long-term debt. The carrying amounts of the Company’s financial instruments approximate their respective fair values due to the relatively short-term nature of these instruments, or in the case of long-term, because of the interest rates currently available to the Company for similar obligations. Valuation techniques used to measure fair value must maximize the use of observable inputs and minimize the use of unobservable inputs. GAAP describes a fair value hierarchy based on the following three levels of inputs, of which the first two are considered observable and the last unobservable, that may be used to measure fair value:
	Level 1 — Valuations are based on unadjusted quoted prices in active markets for identical assets or liabilities.
	Level 2 — Valuations are based on quoted prices for similar assets or liabilities in active markets, or quoted prices in markets that are not active for which significant inputs are observable, either directly or indirectly.
	Level 3 — Valuations are based on prices or valuation techniques that require inputs that are both unobservable and significant to the overall fair value measurement. Inputs reflect management’s best estimate of what market participants would use in valuing the asset or liability at the measurement date.
Accounts Receivable	Accounts Receivable
	Substantially all of the Company’s accounts receivable are due from companies in the commercial, industrial and agricultural industries, as well as wholesalers. Credit is extended based on an evaluation of a customer’s financial condition. Generally, collateral is not required for end users; however, the payment of certain trade accounts receivable from wholesalers is secured by irrevocable standby letters of credit and/or guarantees. Accounts receivable are generally due within 30-60 days. Accounts receivable are stated at the amount the Company expects to collect from outstanding balances. The Company provides for probable uncollectible amounts through a charge to earnings and a credit to an allowance for doubtful accounts based on its assessment of the current status of individual accounts. Balances that are still outstanding after the Company has used reasonable collection efforts are written off through a charge to the allowance for doubtful accounts and a credit to accounts receivable.
Financing Receivables	Financing Receivables
	The Company considers its lease balances included in consolidated current and long-term accounts receivable from its Orion Throughput Agreement, or OTA, sales-type leases to be financing receivables.
	Allowance for Credit Losses on Financing Receivables
	The Company’s allowance for credit losses is based on management’s assessment of the collectability of customer accounts. A considerable amount of judgment is required in order to make this assessment including a detailed analysis of the aging of the lease receivables and the current credit worthiness of the Company's customers and an analysis of historical bad debts and other adjustments. If there is a deterioration of a major customer’s credit worthiness or actual defaults are higher than historical experience, the estimate of the recoverability of amounts due could be adversely affected. The Company reviews in detail the allowance for doubtful accounts on a quarterly basis and adjusts the allowance estimate to reflect actual portfolio performance and any changes in future portfolio performance expectations.
Inventories	Inventories
	Inventories consist of raw materials and components, such as ballasts, metal sheet and coil stock and molded parts; work in process inventories, such as frames and reflectors; and finished goods, including completed fixtures and systems, and wireless energy management systems and accessories, such as lamps, meters and power supplies. All inventories are stated at the lower of cost or market value with cost determined using the first-in, first-out (FIFO) method. The Company reduces the carrying value of its inventories for differences between the cost and estimated net realizable value, taking into consideration usage in the preceding 9 to 24 months, expected demand, and other information indicating obsolescence. The Company records as a charge to cost of product revenue the amount required to reduce the carrying value of inventory to net realizable value. As of March 31, 2014 and 2015, the Company had inventory obsolescence reserves of $2.5 million and $1.6 million, respectively.
	Costs associated with the procurement and warehousing of inventories, such as inbound freight charges and purchasing and receiving costs, are also included in cost of product revenue.
Deferred Contract Costs	Deferred Contract Costs
	Deferred contract costs consist primarily of the costs of products delivered, and services performed, that are subject to additional performance obligations or customer acceptance. These deferred contract costs are expensed at the time the related revenue is recognized.
Prepaid Expenses and Other Current Assets	Prepaid Expenses and Other Current Assets
	Prepaid expenses and other current assets consist primarily of prepaid insurance premiums, prepaid license fees, purchase deposits, advance payments to contractors, unbilled revenue, prepaid taxes and miscellaneous receivables.
Property and Equipment	Property and Equipment
	Property and equipment are stated at cost. Expenditures for additions and improvements are capitalized, while replacements, maintenance and repairs which do not improve or extend the lives of the respective assets are expensed as incurred. Properties sold, or otherwise disposed of, are removed from the property accounts, with gains or losses on disposal credited or charged to income from operations.
	The Company periodically reviews the carrying values of property and equipment for impairment in accordance with ASC 360, Property, Plant and Equipment, if events or changes in circumstances indicate that the assets may be impaired. The estimated future undiscounted cash flows expected to result from the use of the assets and their eventual disposition are compared to the assets’ carrying amount to determine if a write down to market value is required. No write downs were recorded in fiscal 2013. In fiscal 2014, an impairment charge of $0.2 million was recorded. In fiscal 2015, an impairment charge of $1.0 million was recorded in connection with the assessment of carrying costs related to the wireless controls product offering.
	Property and equipment were comprised of the following (in thousands):
		March 31, 2014			March 31, 2015
	Land and land improvements	$	1,480		$	1,511
	Buildings and building improvements	14,405			14,441
	Furniture, fixtures and office equipment	10,713			8,600
	Leasehold improvements	46			148
	Equipment leased to customers under Power Purchase Agreements	4,997			4,997
	Plant equipment	10,103			11,084
	Construction in progress	60			379
		41,804			41,160
	Less: accumulated depreciation and amortization	(18,669		)	(19,937		)
	Net property and equipment	$	23,135		$	21,223
	The Company has no equipment under capital leases.
	Depreciation is provided over the estimated useful lives of the respective assets, using the straight-line method.
Goodwill and Other Intangible Assets	Goodwill and Other Intangible Assets
	The costs of specifically identifiable intangible assets that do not have an indefinite life are amortized over their estimated useful lives. Goodwill and intangible assets with indefinite lives are not amortized. Goodwill and intangible assets with indefinite lives are reviewed for impairment annually, as of January 1, or more frequently if impairment indicators arise. Amortizable intangible assets are amortized over their estimated economic useful life to reflect the pattern of economic benefits consumed based upon the following lives and methods:
	Patents	10-17 years	Straight-line
	Licenses	7-13 years	Straight-line
	Customer relationships	5-8 years	Accelerated based upon the pattern of economic benefits consumed
	Developed technology	8 years	Accelerated based upon the pattern of economic benefits consumed
	Non-competition agreements	5 years	Straight-line
	Indefinite lived intangible assets are evaluated for potential impairment whenever events or circumstances indicate that the carrying value may not be recoverable based primarily upon whether expected future undiscounted cash flows are sufficient to support the asset recovery. If the actual useful life of the asset is shorter than the estimated life estimated by us, the asset may be deemed to be impaired and accordingly a write-down of the value of the asset determined by a discounted cash flow analysis or shorter amortization period may be required.
	There was no change in the carrying value of goodwill during fiscal 2015 as follows (in thousands):
	Balance at March 31, 2013	$	—
	Acquisition	4,409
	Balance at March 31, 2014	$	4,409
	Impairments	—
	Balance at March 31, 2015	$	4,409
	As of April 1, 2014, the Company realigned its organizational structure as a result of a new business strategy. In connection with the reorganization, the Company evaluated its historical operating segments (Energy Management Division and Engineered Systems Division) in relation to GAAP and identified the following new operating segments: (i) U.S. Markets, (ii) Orion Engineered Systems, (iii) Orion Distribution Services and (iv) Corporate and Other. The new operating segments became effective, on a prospective basis, beginning April 1, 2014. The Company's operating segments are also its reporting units (for goodwill assessment purposes) and reporting segments (for financial reporting purposes). In connection with the identification of the new operating segments, the Company allocated goodwill from its historical reporting units to its new reporting units using a relative fair market approach as follows (in thousands):
		U.S. Markets			Orion Engineered Systems			Orion Distribution Services		Corporate and Other			Total
	Goodwill at March 31, 2015	$	2,371		$	2,038		$	—	$	—		$	4,409
	The components of, and changes in, the carrying amount of other intangible assets were as follows (in thousands):
		March 31, 2014						March 31, 2015
		Gross Carrying Amount			Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	Patents	$	2,362		$	(784	)	$	2,447	$	(906	)
	Licenses	58			(58		)	58		(58		)
	Trade name and trademarks	1,942			—			1,958		—
	Customer relationships	3,600			(535		)	3,600		(1,620		)
	Developed technology	900			(19		)	900		(109		)
	Non-competition agreements	100			(15		)	100		(35		)
	Total	$	8,962		$	(1,411	)	$	9,063	$	(2,728	)
	As of March 31, 2015, the weighted average useful life of intangible assets was 6.7 years. The estimated amortization expense for each of the next five years is shown below (in thousands):
	Fiscal 2016	$	1,226
	Fiscal 2017	883
	Fiscal 2018	607
	Fiscal 2019	431
	Fiscal 2020	346
	Thereafter	884
		$	4,377
	Amortization expense is set forth in the following table (in thousands):
		Fiscal Year Ended March 31,
		2013			2014			2015
	Amortization included in cost of sales:
	Patents	$	133		$	135		$	132
	Total	$	133		$	135		$	132
	Amortization included in operating expenses:
	Customer relationships	$	—		$	535		$	1,085
	Developed technology	—			19			90
	Non-competition agreements	—			15			20
	Total	—			569			1,195
	Total amortization	$	133		$	704		$	1,327
	The Company’s management periodically reviews the carrying value of intangible assets for impairment.
Long Term Receivables	Long-Term Receivables
	The Company records a long-term receivable for the non-current portion of its sales-type capital lease OTA contracts. The receivable is recorded at the net present value of the future cash flows from scheduled customer payments. The Company uses the implied cost of capital from each individual contract as the discount rate.
	Also included in other long-term receivables are amounts due from a third party finance company to which the Company has sold, without recourse, the future cash flows from OTAs entered into with customers. Such receivables are recorded at the present value of the future cash flows discounted at 11.0%.
Long Term Inventories	Long-Term Inventories
	As of March 31, 2014, the Company had long-term inventory for the non-current portion of its wireless controls finished goods inventory. The inventories were stated at the lower of cost or market value with cost determined using the FIFO method. As of September 30, 2014, the wireless controls inventory were deemed to be impaired based upon current market conditions, including significant declines in unit volume sales, an increase in product sales in the commercial office and retail markets where the controls product offering is not saleable, limitations in alternative uses for the inventory and the increasing adoption of, and performance improvements in, LED lighting products. During fiscal 2015, the Company recorded an impairment charge of $10.2 million related to its wireless controls inventory. Net realizable value of this remaining wireless control inventory was based on the Company's best estimate of product sales expectations, market prices and customer demand patterns.
Other Long Term Assets	Other Long-Term Assets
	Other long-term assets include long-term security deposits, prepaid licensing costs, deferred costs for a long-term contract, and deferred financing costs. Other long-term assets include $33,000 and $202,000 of deferred financing costs as of March 31, 2014 and March 31, 2015, respectively. Deferred financing costs related to debt issuances are amortized to interest expense over the life of the related debt issue (1 to 3 years).
Accrued Expenses and Other	Accrued Expenses and Other
	Accrued expenses include warranty accruals, accrued wages and benefits, accrued vacation, accrued legal costs, accrued commissions, customer deposits, accrued acquisition liabilities, accrued project costs, sales tax payable and other various unpaid expenses. Accrued expenses include $1.0 million and $1.3 million of accrued project costs as of March 31, 2014 and March 31, 2015, respectively.
	The Company generally offers a limited warranty of one year on its lighting products in addition to those standard warranties offered by major original equipment component manufacturers. The manufacturers’ warranties cover lamps and ballasts, which are significant components in the Company’s lighting products.
Incentive Compensation	Incentive Compensation
	The Company’s compensation committee approved an Executive Fiscal Year 2013 Annual Cash Incentive Program under its 2004 Stock and Incentive Awards Plan. The plan provided for performance and discretionary cash bonus payments ranging from 25-100% of the fiscal 2013 base salaries of the Company’s named executive officers and other key employees. The plan provided for bonuses to be paid out on the basis of the achievement in fiscal 2013 of (i) target revenue of $119 million and/or (ii) target net income of $3.7 million. Revenue and net income were selected as the performance measures for the cash bonus program because they were viewed as the most critical elements to increasing the value of the Company's common stock and, therefore, to the Company's enterprise value. The compensation committee established a target bonus as a percentage of base salary for each of the named executive officers. If the Company achieved 90% of either or both the revenue and net income targets ($107 million in revenue or $3.33 million in net income), then the named executive officers would have received 50% of their target bonus for that element. If either or both of the target revenue or net income were exceeded, the named executive officers would be eligible to earn up to two times their target bonus for that element based on a sliding scale of up to 150% of the target revenue or net income. As described below, this plan was superseded by a new plan in November 2012, and, therefore, the Company did not accrue any expense related to this plan.
	Effective November 9, 2012, the Company’s Compensation Committee approved a new incentive cash bonus program for the second half of fiscal 2013 in replacement of the then existing fiscal 2013 incentive bonus program described above. The new incentive cash bonus program provided a cash bonus opportunity to named executive officers and other key employees based on the Company’s relative achievement, in the second half of fiscal 2013, of target operating income (before bonuses and other extraordinary or unusual items) and target cost containment initiatives. Under the new program, 50% of the target bonus payments were based on the Company’s relative achievement of its cost containment target of $1.48 million for the second half of fiscal 2013. For every $1.00 of cost containment achieved, a bonus pool of $0.167 would be earned, up to a maximum total bonus pool of $247,000 for all employees. The other 50% of the target bonus payments would be based on the Company achieving operating income (before bonuses and other extraordinary or unusual items) of $500,000 for the second half of fiscal 2013. For every $1.00 of operating profit achieved, a bonus pool of $0.50 would be earned, up to a maximum total bonus pool of $247,000 for all employees. Based upon the results for the year ended March 31, 2013, the Company accrued the maximum expense related to this plan.
	The Company’s compensation committee approved an Executive Fiscal Year 2014 Annual Cash Incentive Program under its 2004 Stock and Incentive Awards Plan. The plan provided for performance cash bonus payments ranging from 35-100% of the fiscal 2014 base salaries of the Company’s named executive officers and other key employees. The plan provided for bonuses to be paid out on the basis of the achievement in fiscal 2014 of at least (i) $2.0 million of profit before taxes and (ii) revenue of at least $88.0 million. Based upon the results for the year ended March 31, 2014, the Company did not accrue any expense related to this plan.
	The Company’s compensation committee approved an Executive Fiscal Year 2015 Annual Cash Incentive Program under its 2004 Stock and Incentive Awards Plan. The plan provided for performance cash bonus payments ranging from 35-100% of the fiscal 2015 base salaries of the Company’s named executive officers and other key employees. The plan provided for bonuses to be paid out on the basis of the achievement in fiscal 2015 of at least (i) $2.3 million of profit before taxes and (ii) revenue of at least $90.4 million. Based upon the results for the year ended March 31, 2015, the Company did not accrue any expense related to this plan.
Revenue Recognition	Revenue Recognition
	Revenue is recognized on the sales of our lighting and related energy efficiency systems and products when the following four criteria are met:
	1	persuasive evidence of an arrangement exists;
	2	delivery has occurred and title has passed to the customer;
	3	the sales price is fixed and determinable and no further obligation exists; and
	4	collectability is reasonably assured.
	These four criteria are met for the Company’s product-only revenue upon delivery of the product and title passing to the customer. At that time, the Company provides for estimated costs that may be incurred for product warranties and sales returns. Revenues are presented net of sales tax and other sales related taxes.
	For sales of the Company’s lighting and energy management technologies, consisting of multiple elements of revenue, such as a combination of product sales and services, the Company determines revenue by allocating the total contract revenue to each element based on their relative selling prices in accordance with ASC 605-25, Revenue Recognition - Multiple Element Arrangements. In such circumstances, the Company uses a hierarchy to determine the selling price to be used for allocating revenue to deliverables: (1) vendor-specific objective evidence (VSOE) of fair value, if available, (2) third-party evidence (TPE) of selling price if VSOE is not available, and (3) best estimate of the selling price if neither VSOE nor TPE is available (a description as to how the Company determined estimated selling price is provided below).
	The nature of the Company’s multiple element arrangements for the sale of its lighting and energy management technologies is similar to a construction project, with materials being delivered and contracting and project management activities occurring according to an installation schedule. The significant deliverables include the shipment of products and related transfer of title and the installation.
	To determine the selling price in multiple-element arrangements, the Company establishes the selling price for its HIF lighting and energy management system products using management's best estimate of the selling price, as VSOE or TPE does not exist. Product revenue is recognized when products are shipped. For product revenue, management's best estimate of selling price is determined using a cost plus gross profit margin method. In addition, the Company records in service revenue the selling price for its installation and recycling services using management’s best estimate of selling price, as VSOE or TPE does not exist. Service revenue is recognized when services are completed and customer acceptance has been received. Recycling services provided in connection with installation entail the disposal of the customer’s legacy lighting fixtures. The Company’s service revenues, other than for installation and recycling that are completed prior to delivery of the product, are included in product revenue using management’s best estimate of selling price, as VSOE or TPE does not exist. These services include comprehensive site assessment, site field verification, utility incentive and government subsidy management, engineering design, and project management. For these services, along with the Company's installation and recycling services, under a multiple-element arrangement, management’s best estimate of selling price is determined by considering several external and internal factors including, but not limited to, economic conditions and trends, customer demand, pricing practices, margin objectives, competition, geographies in which the Company offers its products and services and internal costs. The determination of estimated selling price is made through consultation with and approval by management, taking into account all of the preceding factors.
	For sales of solar photovoltaic systems, which are governed by customer contracts that require the Company to deliver functioning solar power systems and are generally completed within three to 15 months from the start of construction, the Company recognizes revenue from fixed price construction contracts using the percentage-of-completion method in accordance with ASC 605-35, Construction-Type and Production-Type Contracts. Under this method, revenue arising from fixed price construction contracts is recognized as work is performed based upon the percentage of incurred costs to estimated total forecasted costs. The Company has determined that the appropriate method of measuring progress on these sales is measured by the percentage of costs incurred to date of the total estimated costs for each contract as materials are installed. The percentage-of-completion method requires revenue recognition from the delivery of products to be deferred and the cost of such products to be capitalized as a deferred cost and current asset on the balance sheet. The Company performs periodic evaluations of the progress of the installation of the solar photovoltaic systems using actual costs incurred over total estimated costs to complete a project. Provisions for estimated losses on uncompleted contracts, if any, are recognized in the period in which the loss first becomes probable and reasonably estimable.
	The Company offers a financing program, called an Orion Throughput Agreement, or OTA, for a customer’s lease of the Company’s energy management systems. The OTA is structured as a sales-type lease and upon successful installation of the system and customer acknowledgment that the system is operating as specified, revenue is recognized at the Company’s net investment in the lease, which typically is the net present value of the future cash flows.
	The Company offers a financing program, called a power purchase agreement, or PPA, for the Company’s renewable energy product offerings. A PPA is a supply side agreement for the generation of electricity and subsequent sale to the end user. Upon the customer’s acknowledgment that the system is operating as specified, product revenue is recognized on a monthly basis over the life of the PPA contract, which is typically in excess of 10 years.
	Deferred revenue relates to advance customer billings, investment tax grants received related to PPAs and a separate obligation to provide maintenance on OTAs and is classified as a liability on the Consolidated Balance Sheet. The fair value of the maintenance is readily determinable based upon pricing from third-party vendors. Deferred revenue related to maintenance services is recognized when the services are delivered, which occurs in excess of a year after the original OTA contract is executed.
Shipping and Handling Costs	Shipping and Handling Costs
	The Company records costs incurred in connection with shipping and handling of products as cost of product revenue. Amounts billed to customers in connection with these costs are included in product revenue.
Advertising	Advertising
	Advertising costs of $111,000, $28,000 and $149,000 for fiscal 2013, 2014 and 2015, respectively, were charged to operations as incurred.
Research and Development	Research and Development
	The Company expenses research and development costs as incurred.
Income Taxes	Income Taxes
	The Company recognizes deferred tax assets and liabilities for the future tax consequences of temporary differences between financial reporting and income tax basis of assets and liabilities, measured using the enacted tax rates and laws expected to be in effect when the temporary differences reverse. Deferred income taxes also arise from the future tax benefits of operating loss and tax credit carryforwards. A valuation allowance is established when management determines that it is more likely than not that all or a portion of a deferred tax asset will not be realized. For the fiscal year ended March 31, 2015, the Company recorded a valuation allowance of $11.7 million against its deferred tax assets.
	ASC 740, Income Taxes, also prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For those benefits to be recognized, a tax position must be more-likely-than-not to be sustained upon examination. The Company has classified the amounts recorded for uncertain tax benefits in the balance sheet as other liabilities (non-current) to the extent that payment is not anticipated within one year. The Company recognizes penalties and interest related to uncertain tax liabilities in income tax expense. Penalties and interest are immaterial and are included in the unrecognized tax benefits.
	Deferred tax benefits have not been recognized for income tax effects resulting from the exercise of non-qualified stock options. These benefits will be recognized in the period in which the benefits are realized as a reduction in taxes payable and an increase in additional paid-in capital.
Stock Option Plans	Stock Based Compensation
	The Company’s share-based payments to employees are measured at fair value and are recognized in earnings, net of estimated forfeitures, on a straight-line basis over the requisite service period.
	Cash flows from the exercise of stock options resulting from tax benefits in excess of recognized cumulative compensation costs (excess tax benefits) are classified as financing cash flows. For the years ended March 31, 2013, 2014 and 2015, $70,000, $13,000 and $0, respectively, of such excess tax benefits were classified as financing cash flows.
	The Company uses the Black-Scholes option-pricing model. The Company calculates volatility based upon the historical market price of its common stock. The risk-free interest rate is the rate available as of the option date on zero-coupon U.S. Government issues with a remaining term equal to the expected term of the option. The expected term is based upon the vesting term of the Company’s options and expected exercise behavior. The Company has not paid dividends in the past and does not plan to pay any dividends in the foreseeable future. The Company estimates its forfeiture rate of unvested stock awards based on historical experience.
	The Company accounts for stock-based compensation in accordance with ASC 718, Compensation - Stock Compensation. Under the fair value recognition provisions of ASC718, stock-based compensation is measured at the grant date based on the fair value of the award and is recognized as expense ratably over the requisite service period, net of estimated forfeitures. As more fully described in Note I, the Company awards non-vested restricted stock to employees, executive officers and directors. The Company did not issue any stock options during fiscal 2015.
Net Income (Loss) per Common Share	Net Income (Loss) per Common Share
	Basic net income (loss) per common share is computed by dividing net income (loss) attributable to common shareholders by the weighted-average number of common shares outstanding for the period and does not consider common stock equivalents.
	Diluted net income (loss) per common share reflects the dilution that would occur if warrants and stock options were exercised and restricted shares vested. In the computation of diluted net income (loss) per common share, the Company uses the “treasury stock” method for outstanding options, warrants and restricted shares. Diluted net loss per common share is the same as basic net loss per common share for the years ended March 31, 2013, March 31, 2014 and March 31, 2015, because the effects of potentially dilutive securities are anti-dilutive.
Concentration of Credit Risk and Other Risks and Uncertainties	Concentration of Credit Risk and Other Risks and Uncertainties
	The Company’s cash is deposited with four financial institutions. At times, deposits in these institutions exceed the amount of insurance provided on such deposits. The Company has not experienced any losses in such accounts and believes that it is not exposed to any significant risk on these balances.
Recent Accounting Pronouncements	Recent Accounting Pronouncements
	In July 2013, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2013-11 ("ASU 2013-11"), “Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists." ASU 2013-11 requires an entity to present an unrecognized tax benefit, or a portion of an unrecognized tax benefit, in the financial statements as a reduction to the deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward. The provisions of ASU 2013-11 are effective for fiscal years, and interim periods within those years, beginning after December 15, 2013. The Company applied this guidance in a prior quarter and it did not have a material impact on its statement of operations, financial position, or cash flows.
	In May 2014, FASB issued ASU 2014-09, "Revenue from Contracts with Customers." This ASU is a comprehensive new revenue recognition model that requires a company to recognize revenue to depict the transfer of goods or services to a customer at an amount that reflects the consideration it expects to receive in exchange for those goods or services. This ASU is effective for annual reporting periods beginning after December 15, 2016 and early adoption is not permitted. Accordingly, the Company will adopt this ASU on April 1, 2017. Companies may use either a full retrospective or modified retrospective approach to adopt this ASU and management is currently evaluating which transition approach to use. The Company is currently evaluating the impact of ASU 2014-09.
	In June 2014, the FASB issued Accounting Standards Update No. 2014-12, "Compensation - Stock Compensation" ("ASU 2014-12"). ASU 2014-12 is intended to resolve diverse accounting treatment for share based awards in which the terms of the award provide that a performance target that affects vesting could be achieved after the requisite service period. The standard is effective for annual periods and interim periods within those annual periods beginning after December 15, 2015 and may be applied prospectively or retrospectively. The Company does not expect adoption of this standard will have a significant impact on the Company's consolidated financial statements.
	In August 2014, the FASB issued Accounting Standards Update No. 2014-15, "Presentation of Financial Statements - Going Concern" ("ASU 2014-15"). ASU 2014-15 requires an entity's management to evaluate whether there are conditions or events, considered in the aggregate, that raise substantial doubt about the entity's ability to continue as a going concern and if those conditions exist, the required disclosures. The standard is effective for annual periods ending after December 15, 2016, and interim periods therein. The Company does not expect adoption of this standard will have a significant impact on the Company's consolidated financial statements.

Summary_of_Significant_Account2

Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Mar. 31, 2015
Accounting Policies [Abstract]
Amortized cost and fair value of short-term investments, with gross unrealized gains and losses	The amortized cost and fair value of short-term investments, with gross unrealized gains and losses, as of March 31, 2014 and 2015 were as follows (in thousands):
	31-Mar-14
		Amortized				Unrealized				Unrealized			Fair Value			Cash and Cash			Short-Term
		Cost				Gains				Losses						Equivalents			Investments
	Money market funds	$	488			$	—			$	—		$	488		$	488		$	—
	Bank certificate of deposit	470				—				—			470			—			470
	Total	$	958			$	—			$	—		$	958		$	488		$	470
	31-Mar-15
		Amortized				Unrealized				Unrealized			Fair Value			Cash and Cash			Short-Term
		Cost				Gains				Losses						Equivalents			Investments
	Money market funds	$	—			$	—			$	—		$	—		$	—		$	—
	Bank certificate of deposit	—				—				—			—			—			—
	Total	$	—			$	—			$	—		$	—		$	—		$	—
Credit quality of the Company's financing receivables using Aging Analysis	Additional disclosures on the credit quality of the Company’s financing receivables are as follows:
	Age Analysis as of March 31, 2014 (in thousands):
		Not Past Due				1-90 days				Greater than 90			Total past due			Total sales-type
						past due				days past due						leases
	Lease balances included in consolidated accounts receivable—current	$	2,067			$	137			$	149		$	286		$	2,353
	Lease balances included in consolidated accounts receivable—long-term	1,662				—				—			—			1,662
	Total gross sales-type leases	3,729				137				149			286			4,015
	Allowance	(3		)		(3		)		(88		)	(91		)	(94		)
	Total net sales-type leases	$	3,726			$	134			$	61		$	195		$	3,921
	Age Analysis as of March 31, 2015 (in thousands):
		Not Past Due				1-90 days				Greater than 90			Total past due			Total sales-type
						past due				days past due						leases
	Lease balances included in consolidated accounts receivable—current	$	1,346			$	47			$	186		$	233		$	1,579
	Lease balances included in consolidated accounts receivable—long-term	398				—				—			—			398
	Total gross sales-type leases	1,744				47				186			233			1,977
	Allowance	(12		)		(3		)		(141		)	(144		)	(156		)
	Total net sales-type leases	$	1,732			$	44			$	45		$	89		$	1,821
Allowance for Credit Losses on Financing Receivables	The Company’s provision for write-offs and credit losses against the OTA sales-type lease receivable balances in fiscal 2014 and fiscal 2015, respectively, was as follows:
			Balance at				Provisions				Write offs			Balance at
			beginning of				charged to				and other			end of
			period				expense							period
	March 31,		(in Thousands)
	2014	Allowance for Doubtful Accounts on financing receivables	$	74			$	96			$	76		$	94
	2015	Allowance for Doubtful Accounts on financing receivables	$	94			$	62			$	—		$	156
Inventories	Inventories were comprised of the following (in thousands):
		31-Mar-14				31-Mar-15
	Raw materials and components	$	6,894			$	8,474
	Work in process	880				1,588
	Finished goods	4,016				4,221
		$	11,790			$	14,283
Property and equipment	Property and equipment were comprised of the following (in thousands):
		March 31, 2014				March 31, 2015
	Land and land improvements	$	1,480			$	1,511
	Buildings and building improvements	14,405				14,441
	Furniture, fixtures and office equipment	10,713				8,600
	Leasehold improvements	46				148
	Equipment leased to customers under Power Purchase Agreements	4,997				4,997
	Plant equipment	10,103				11,084
	Construction in progress	60				379
		41,804				41,160
	Less: accumulated depreciation and amortization	(18,669		)		(19,937		)
	Net property and equipment	$	23,135			$	21,223
	Depreciable lives by asset category are as follows:
	Land improvements	10-15 years
	Buildings and building improvements	3-39 years
	Furniture, fixtures and office equipment	2-10 years
	Leasehold improvements	Shorter of asset life or life of lease
	Equipment leased to customers under Power Purchase Agreements	20 years
	Plant equipment	3-10 years
Schedule of Intangible Assets and Goodwill	The components of, and changes in, the carrying amount of other intangible assets were as follows (in thousands):
		March 31, 2014								March 31, 2015
		Gross Carrying Amount				Accumulated Amortization				Gross Carrying Amount			Accumulated Amortization
	Patents	$	2,362			$	(784	)		$	2,447		$	(906	)
	Licenses	58				(58		)		58			(58		)
	Trade name and trademarks	1,942				—				1,958			—
	Customer relationships	3,600				(535		)		3,600			(1,620		)
	Developed technology	900				(19		)		900			(109		)
	Non-competition agreements	100				(15		)		100			(35		)
	Total	$	8,962			$	(1,411	)		$	9,063		$	(2,728	)
	Amortization expense is set forth in the following table (in thousands):
		Fiscal Year Ended March 31,
		2013				2014				2015
	Amortization included in cost of sales:
	Patents	$	133			$	135			$	132
	Total	$	133			$	135			$	132
	Amortization included in operating expenses:
	Customer relationships	$	—			$	535			$	1,085
	Developed technology	—				19				90
	Non-competition agreements	—				15				20
	Total	—				569				1,195
	Total amortization	$	133			$	704			$	1,327
	Amortizable intangible assets are amortized over their estimated economic useful life to reflect the pattern of economic benefits consumed based upon the following lives and methods:
	Patents	10-17 years	Straight-line
	Licenses	7-13 years	Straight-line
	Customer relationships	5-8 years	Accelerated based upon the pattern of economic benefits consumed
	Developed technology	8 years	Accelerated based upon the pattern of economic benefits consumed
	Non-competition agreements	5 years	Straight-line
	The estimated amortization expense for each of the next five years is shown below (in thousands):
	Fiscal 2016	$	1,226
	Fiscal 2017	883
	Fiscal 2018	607
	Fiscal 2019	431
	Fiscal 2020	346
	Thereafter	884
		$	4,377
	There was no change in the carrying value of goodwill during fiscal 2015 as follows (in thousands):
	Balance at March 31, 2013	$	—
	Acquisition	4,409
	Balance at March 31, 2014	$	4,409
	Impairments	—
	Balance at March 31, 2015	$	4,409
Schedule of Goodwill	In connection with the identification of the new operating segments, the Company allocated goodwill from its historical reporting units to its new reporting units using a relative fair market approach as follows (in thousands):
		U.S. Markets				Orion Engineered Systems				Orion Distribution Services			Corporate and Other			Total
	Goodwill at March 31, 2015	$	2,371			$	2,038			$	—		$	—		$	4,409
Due from the third party finance company in future periods	As of March 31, 2015, the following amounts were due from the third party finance company in future periods (in thousands):
	Fiscal 2016	$	309
	Fiscal 2017	9
	Total gross financed receivable	318
	Less: amount above to be collected during the next 12 months	(309		)
	Less: amount representing interest	(1		)
	Total net long-term receivable	$	8
Changes in warranty accrual	Changes in the Company’s warranty accrual were as follows (in thousands):
		March 31,
		2014				2015
	Beginning of year	$	284			$	263
	Provision to product cost of revenue	300				776
	Charges	(321		)		(24		)
	End of year	$	263			$	1,015
Fair value of each option grant	The fair value of each option grant in fiscal 2013, 2014 and 2015 was determined using the assumptions in the following table:
		Fiscal Year Ended March 31,
		2013			2014			2015
	Weighted average expected term	5.5 years			4.1 years			N/A
	Risk-free interest rate	0.8	%		0.8	%		N/A
	Expected volatility	72.5 - 74.4%			73.3	%		N/A
	Expected forfeiture rate	21.4	%		20.3	%		20.3	%
Summary of the effect of net income per common share	The effect of net income (loss) per common share is calculated based upon the following shares (in thousands except share amounts):
		Fiscal Year Ended March 31,
		2013				2014				2015
	Numerator:
	Net loss	$	(10,399	)		$	(6,199	)		$	(32,061	)
	Denominator:
	Weighted-average common shares outstanding	20,996,625				20,987,964				22,353,419
	Weighted-average effect of assumed conversion of stock options and restricted stock	—				—				—
	Weighted-average common shares and share equivalents outstanding	20,996,625				20,987,964				22,353,419
	Net income (loss) per common share:
	Basic	$	(0.50	)		$	(0.30	)		$	(1.43	)
	Diluted	$	(0.50	)		$	(0.30	)		$	(1.43	)
Number of potentially dilutive securities	The following table indicates the number of potentially dilutive securities as of the end of each period:
		March 31,
		2013			2014			2015
	Common stock options	3,312,523			2,716,317			2,426,836
	Restricted shares	105,000			539,204			704,688
	Common stock warrants	38,980			38,980			—
	Total	3,456,503			3,294,501			3,131,524

Acquisition_Tables

Acquisition (Tables)	12 Months Ended
	Mar. 31, 2015
Business Combinations [Abstract]
Consideration Paid and the Preliminary Fair Value Allocation of the Purchase Price	The following table summarizes the consideration paid to the Harris Shareholders and the fair value allocation of the purchase price (in thousands):
	Consideration paid to Harris Shareholders:
	Cash	$	5,000
	Seller provided debt	3,124
	Shares of Company common stock	2,065
	Contingent consideration arrangement	612
	Total consideration paid	$	10,801
	Cash and cash equivalents	$	8
	Accounts receivable, net	2,215
	Inventories	1,633
	Other current assets	86
	Property, plant and equipment	117
	Deferred tax asset	141
	Identifiable intangible assets:
	Customer relationships	3,600
	Non-competition agreement	100
	Developed technology	900
	Trade name and trademarks	1,900
	Accounts payable	(1,519		)
	Deferred tax liabilities	(2,263		)
	Accrued and other liabilities	(526		)
	Total identifiable net assets	6,392
	Goodwill	4,409
		$	10,801
Identifiable Intangible Assets Acquired	The separately identifiable intangible assets acquired that do not have an indefinite life are amortized over their estimated economic useful life to reflect the pattern of economic benefits consumed based upon the following lives and methods:
	Customer relationships	5-8 years	Accelerated based upon the pattern of economic benefits consumed
	Developed technology	8 years	Accelerated based upon the pattern of economic benefits consumed
	Non-competition agreements	5 years	Straight-line
	Trade name and trademarks	N/A	Indefinite life
Pro Forma Condensed Combined Results of Operations	The following unaudited pro forma condensed combined results of operations for the years ended March 31, 2013 and 2014, respectively, are based on the historical financial statements of the Company and Harris giving effect to the business combination as if it had occurred at the beginning of the period presented. Therefore, this pro forma data has been adjusted to include amortization of purchased intangible assets and interest on the promissory note delivered as part of the purchase price during the entire applicable periods. Additionally, the tax benefit of $2.3 million recorded during the year ended March 31, 2014 was eliminated and the tax benefit was recorded during the year ended March 31, 2013. This data is not necessarily indicative of the results of operations that would have been generated if the transaction had occurred at the beginning of the respective periods. Moreover, this data is not intended to be indicative of future results of operations (in thousands, other than per share data).
		Acquisition of Harris Pro Forma Results of Operations
		Fiscal Year Ended March 31,
		2013			2014
	Revenue	$	102,198		$	92,868
	Net loss available to common shareholders	(7,489		)	(9,111		)
	Loss per share:
	Basic	$	(0.36	)	$	(0.43	)
	Diluted	(0.36		)	(0.43		)

LongTerm_Debt_Tables

Long-Term Debt (Tables)	12 Months Ended
	Mar. 31, 2015
Debt Disclosure [Abstract]
Long-term debt	Long-term debt as of March 31, 2014 and 2015 consisted of the following (in thousands):
		March 31,
		2014			2015
	Revolving credit facility	$	—		$	2,500
	Harris seller's note	2,624			1,607
	Customer equipment finance notes payable	2,331			827
	First mortgage note payable	607			—
	Debenture payable	675			—
	Other long-term debt	364			120
	Total long-term debt	6,601			5,054
	Less current maturities	(3,450		)	(1,832		)
	Long-term debt, less current maturities	$	3,151		$	3,222
Schedule of Maturities of Long-term Debt	As of March 31, 2015, aggregate maturities of long-term debt were as follows (in thousands):
	Fiscal 2016	$	1,832
	Fiscal 2017	706
	Fiscal 2018	2,516
	Fiscal 2019	—
	Thereafter	—
		$	5,054

Income_Taxes_Tables

Income Taxes (Tables)	12 Months Ended
	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Schedule of components of income tax expense (benefit)	The total provision (benefit) for income taxes consists of the following for the fiscal years ending (in thousands):
		Fiscal Year Ended March 31,
		2013				2014				2015
	Current	$	(180	)		$	19			$	49
	Deferred	4,253				(2,077		)		—
		$	4,073			$	(2,058	)		$	49
		2013				2014				2015
	Federal	$	3,803			$	(1,830	)		$	—
	State	270				(228		)		49
		$	4,073			$	(2,058	)		$	49
Reconciliation of the statutory federal income tax rate and the effective income tax rate	A reconciliation of the statutory federal income tax rate and effective income tax rate is as follows:
		Fiscal Year Ended March 31,
		2013			2014			2015
	Statutory federal tax rate	34	%		34	%		34	%
	State taxes, net	2.3	%		2.8	%		3.6	%
	Federal tax credit	3.9	%		0.9	%		0.2	%
	State tax credit	(0.5	)%		0.4	%		0.1	%
	Change in valuation reserve	(111.7	)%		(10.2	)%		(37.0	)%
	Permanent items	2.3	%		(2.9	)%		(0.1	)%
	Change in tax contingency reserve	3.4	%		(0.3	)%		—	%
	Other, net	1.9	%		0.2	%		(1.0	)%
	Effective income tax rate	(64.4	)%		24.9	%		(0.2	)%
Schedule of deferred tax assets and liabilities	The net deferred tax assets and liabilities reported in the accompanying consolidated financial statements include the following components (in thousands):
		March 31,
		2014				2015
	Inventory, accruals and reserves	$	1,445			$	5,297
	Other	139				159
	Deferred revenue	44				91
	Valuation allowance	(1,628		)		(5,547		)
	Total net current deferred tax assets and liabilities	$	—			$	—
	Federal and state operating loss carryforwards	6,233				13,154
	Tax credit carryforwards	1,498				1,475
	Non-qualified stock options	2,541				2,914
	Deferred revenue	23				7
	Fixed assets	(1,889		)		(1,698		)
	Intangible assets	(2,125		)		(1,687		)
	Valuation allowance	(6,281		)		(14,165		)
	Total net long-term deferred tax assets and liabilities	$	—			$	—
	Total net deferred tax assets	$	—			$	—
Unrecognized tax benefit activity	The Company had the following unrecognized tax benefit activity (in thousands):
		Fiscal Year Ended March 31,
		2013				2014				2015
	Unrecognized tax benefits as of beginning of fiscal year	$	406			$	188			$	210
	Additions based on tax positions related to the current period positions	16				22				2
	Reduction for tax positions of prior years	(1		)		—				—
	Reduction due to lapse of statute of limitations	(233		)		—				—
	Unrecognized tax benefits as of end of fiscal year	$	188			$	210			$	212

Commitments_and_Contingencies_

Commitments and Contingencies (Tables)	12 Months Ended
	Mar. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Schedule of Annual Commitments under Non-Cancelable Operating Leases	Total annual commitments under non-cancelable operating leases with terms in excess of one year at March 31, 2015 are as follows (in thousands):
	Fiscal 2016	$	265
	Fiscal 2017	159
	Fiscal 2018	96
	Thereafter	—
		$	520

Shareholders_Equity_Tables

Shareholders' Equity (Tables)	12 Months Ended
	Mar. 31, 2015
Stockholders' Equity Note [Abstract]
Shares issued from treasury	The Company had the following shares issued from treasury during fiscal 2014 and fiscal 2015:
		As of March 31, 2014
		Shares Issued Under ESPP	Closing Market	Shares Issued Under Loan	Dollar Value of		Repayment of
		Plan	Price	Program	Loans Issued		Loans
	Quarter Ended June 30, 2013	990	$2.48	—	$	—	$	823
	Quarter Ended September 30, 2013	702	$3.76	—	—		118,309
	Quarter Ended December 31, 2013	319	$6.80	—	—		94,300
	Quarter Ended March 31, 2014	362	$7.25	—	—		1,677
	Total	2,373	$2.48 - 7.25	—	$	—	$	215,109
		As of March 31, 2015
		Shares Issued Under ESPP	Closing Market	Shares Issued Under Loan	Dollar Value of		Repayment of
		Plan	Price	Program	Loans Issued		Loans
	Quarter Ended June 30, 2014	383	$4.07	—	$	—	$	9,600
	Quarter Ended September 30, 2014	322	$5.35	—	—		1,000
	Quarter Ended December 31, 2014	289	$5.41	—	—		—
	Quarter Ended March 31, 2015	492	$3.14	—	—		35,400
	Total	1,486	$3.14 - 5.41	—	$	—	$	46,000

Stock_Options_Restricted_Share1

Stock Options, Restricted Shares and Warrants (Tables)	12 Months Ended
	Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-based compensation	The following amounts of stock-based compensation were recorded (in thousands):
		Fiscal Year Ended March 31,
		2013				2014			2015
	Cost of product revenue	$	114			$	70		$	50
	General and administrative	578				1,025			1,056
	Sales and marketing	451				485			360
	Research and development	21				13			33
		$	1,164			$	1,593		$	1,499
Number of shares available for grant	The number of shares available for grant under the plans were as follows:
	Available at March 31, 2012	1,406,090
	Granted stock options	(1,054,876	)
	Granted shares	(33,422	)
	Restricted Shares	(163,750	)
	Forfeited restricted shares	58,750
	Forfeited stock options	1,419,986
	Available at March 31, 2013	1,632,778
	Granted stock options	(305,544	)
	Granted shares	(33,641	)
	Restricted Shares	(526,663	)
	Forfeited restricted shares	69,375
	Forfeited stock options	455,691
	Available at March 31, 2014	1,291,996
	Granted stock options	—
	Granted shares	(27,931	)
	Restricted shares	(410,496	)
	Forfeited restricted shares	74,957
	Forfeited stock options	150,074
	Available at March 31, 2015	1,078,600
Summary of outstanding stock options	The following table summarizes information with respect to outstanding stock options:
		Number of			Weighted			Weighted			Aggregate Intrinsic
		Shares			Average Exercise			Average Fair			Value
					Price			Value of
								Options
								Granted
	Outstanding at March 31, 2012	3,697,633			$	3.76		1.95
	Granted	1,054,876			$	1.98
	Exercised	(20,000	)		$	2.25
	Forfeited	(1,419,986	)		$	3.26
	Outstanding at March 31, 2013	3,312,523			$	3.42		1.23
	Granted	305,544			$	1.98
	Exercised	(446,059	)		$	2.25
	Forfeited	(455,691	)		$	3.26
	Outstanding at March 31, 2014	2,716,317			$	3.43		1.32
	Granted	—			$	—
	Exercised	(139,407	)		$	2.46
	Forfeited	(150,074	)		$	3.13
	Outstanding at March 31, 2015	2,426,836			$	3.5		—			$	1,231,344
	Exercisable at March 31, 2015	1,844,994									$	740,802
Schedule of range of exercise prices	The following table summarizes the range of exercise prices on outstanding stock options at March 31, 2015:
		31-Mar-15
		Outstanding			Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price	Vested			Weighted Average Exercise Price
	$1.62 - 2.25	781,276			5.88		$1.99	456,551			$2.01
	$2.41 - 2.75	436,144			7.18		2.47	285,432			2.46
	$2.86 - 4.28	773,459			4.98		3.43	667,054			3.46
	$4.49 - 4.76	44,400			2.19		4.63	44,400			4.63
	$5.35 - 6.05	218,706			3.99		5.46	218,706			5.46
	$9.00	43,000			2.61		9	43,000			9
	$10.14 - 11.61	129,851			3.05		10.99	129,851			10.99
		2,426,836			5.38		$3.50	1,844,994			$3.87
Schedule of unrecognized compensation cost related to non-vested awards	Unrecognized compensation cost related to non-vested common stock-based compensation as of March 31, 2015 is as follows (in thousands):
	Fiscal 2016	$	1,277
	Fiscal 2017	902
	Fiscal 2018	487
	Fiscal 2019	201
	Fiscal 2020	22
	Thereafter	—
		$	2,889
	Remaining weighted average expected term	3.5 years
Summary of restricted shares granted	During fiscal 2015, the Company granted restricted shares as follows (which are included in the above stock plan activity tables):
	Balance at March 31, 2014	539,204
	Shares issued	410,496
	Shares vested	(170,055		)
	Shares forfeited	(74,957		)
	Shares outstanding at March 31, 2015	704,688
	Per share price on grant date	$4.16-7.23
	Compensation expense	$	1,034,945
Warrants outstanding rollforward	A summary of warrant activity is as follows:
		Number of			Weighted
		Shares			Average
					Exercise Price
	Outstanding at March 31, 2012	38,980			$	2.25
	Issued	—			—
	Exercised	—			$	—
	Cancelled	—			$	—
	Outstanding at March 31, 2013	38,980			$	2.25
	Issued	—			—
	Exercised	—			—
	Cancelled	—			—
	Outstanding at March 31, 2014	38,980			$	2.25
	Issued	—			—
	Exercised	(38,980	)		2.25
	Cancelled	—			—
	Outstanding at March 31, 2015	—			$	—

Segment_Data_Tables

Segment Data (Tables)	12 Months Ended
	Mar. 31, 2015
Segment Reporting [Abstract]
Schedule of segment information	Corporate and Other is comprised of operating expenses not directly allocated to the Company’s segments and adjustments to reconcile to consolidated results, which primarily include intercompany eliminations.
		Revenues						Operating (Loss) Profit
		For the year ended March 31,						For the year ended March 31,
	(dollars in thousands)	2013		2014		2015		2013			2014			2015
	Segments:
	U.S. Markets	$	30,262	$	38,766	$	37,778	$	110		$	(1,012	)	$	(12,542	)
	Engineered Systems	55,824		49,857		33,454		806			1,260			(12,431		)
	Distribution Services	—		—		978		—						(455		)
	Corporate and Other	—		—		—		(7,520		)	(8,591		)	(6,508		)
		$	86,086	$	88,623	$	72,210	$	(6,604	)	$	(8,343	)	$	(31,936	)
		Depreciation and Amortization						Capital Expenditures
		For the year ended March 31,						For the year ended March 31,
	(dollars in thousands)	2013		2014		2015		2013			2014			2015
	Segments:
	U.S. Markets	$	1,774	$	2,667	$	1,711	$	993		$	276		$	626
	Engineered Systems	249		302		1,404		50			—			495
	Distribution Services	—		—		32		—			—			40
	Corporate and Other	2,554		1,569		1,036		1,116			134			845
		$	4,577	$	4,538	$	4,183	$	2,159		$	410		$	2,006
		Total Assets				Deferred Revenue
	(dollars in thousands)	March 31, 2014		March 31, 2015		March 31, 2014		March 31, 2015
	Segments:
	U.S. Markets	$	36,340	$	27,769	$	244	$	157
	Engineered Systems	28,309		27,435		1,686		1,363
	Distribution Services	—		261		—		—
	Corporate and Other	34,291		32,340		—		—
		$	98,940	$	87,805	$	1,930	$	1,520

Quarterly_Financial_Data_Unaud1

Quarterly Financial Data (Unaudited) (Tables)	12 Months Ended
	Mar. 31, 2015
Quarterly Financial Data [Abstract]
Schedule of Quarterly Financial Information	Summary quarterly results for the years ended March 31, 2014 and March 31, 2015 are as follows:
		Three Months Ended
		Jun 30, 2013			Sep 30, 2013			Dec 31, 2013			Mar 31, 2014			Total
		(in thousands, except per share amounts)
	Total revenue	$	20,852		$	27,495		$	27,692		$	12,584		$	88,623
	Gross profit	$	5,723		$	7,829		$	8,150		$	1,278		$	22,980
	Net income (loss)	$	(781	)	$	2,403		$	1,018		$	(8,839	)	$	(6,199	)
	Basic net income per share	$	(0.04	)	$	0.11		$	0.05		$	(0.41	)	$	(0.30	)
	Shares used in basic per share calculation	20,174			21,090			21,220			21,469			20,988
	Diluted net income per share	$	(0.04	)	$	0.11		$	0.05		$	(0.41	)	$	(0.30	)
	Shares used in diluted per share calculation	20,174			21,542			22,329			21,469			20,988
		Three Months Ended
		Jun 30, 2014			Sep 30, 2014			Dec 31, 2014			Mar 31, 2015			Total
		(in thousands, except per share amounts)
	Total revenue	$	13,313		$	13,393		$	26,138		$	19,366		$	72,210
	Gross profit	$	2,612		$	(10,555	)	$	3,824		$	2,982		$	(1,137	)
	Net income (loss)	$	(4,359	)	$	(18,346	)	$	(4,663	)	$	(4,693	)	$	(32,061	)
	Basic net income per share	$	(0.20	)	$	(0.84	)	$	(0.21	)	$	(0.19	)	$	(1.43	)
	Shares used in basic per share calculation	21,669			21,820			21,883			24,071			22,353
	Diluted net income per share	$	(0.20	)	$	(0.84	)	$	(0.21	)	$	(0.19	)	$	(1.43	)
	Shares used in diluted per share calculation	21,669			21,820			21,883			24,071			22,353

Summary_of_Significant_Account3

Summary of Significant Accounting Policies (Cash and Cash Equivalents) (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014
In Thousands, unless otherwise specified
Amortized cost and fair value of short-term investments, with gross unrealized gains and losses
Amortized Cost	$0	$958
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	0	958
Cash and Cash Equivalents	0	488
Short-Term Investments	0	470
Money market funds
Amortized cost and fair value of short-term investments, with gross unrealized gains and losses
Amortized Cost	0	488
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	0	488
Cash and Cash Equivalents	0	488
Short-Term Investments	0	0
Bank certificate of deposit
Amortized cost and fair value of short-term investments, with gross unrealized gains and losses
Amortized Cost	0	470
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	0	470
Cash and Cash Equivalents	0	0
Short-Term Investments	$0	$470

Summary_of_Significant_Account4

Summary of Significant Accounting Policies (Financing Receivables) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Credit quality of the Company's financing receivables using Aging Analysis
Allowance	($458)	($384)
Total net sales-type leases	18,263	15,098
Allowance for Doubtful Accounts Receivable [Roll Forward]
Provisions charged to expense	285	174	757
Not Past Due
Credit quality of the Company's financing receivables using Aging Analysis
Lease balances included in consolidated accounts receivable—current	1,346	2,067
Lease balances included in consolidated accounts receivable—long-term	398	1,662
Total gross sales-type leases	1,744	3,729
Allowance	-12	-3
Total net sales-type leases	1,732	3,726
1-90 days past due
Credit quality of the Company's financing receivables using Aging Analysis
Lease balances included in consolidated accounts receivable—current	47	137
Lease balances included in consolidated accounts receivable—long-term	0	0
Total gross sales-type leases	47	137
Allowance	-3	-3
Total net sales-type leases	44	134
Greater than 90 days past due
Credit quality of the Company's financing receivables using Aging Analysis
Lease balances included in consolidated accounts receivable—current	186	149
Lease balances included in consolidated accounts receivable—long-term	0	0
Total gross sales-type leases	186	149
Allowance	-141	-88
Total net sales-type leases	45	61
Total past due
Credit quality of the Company's financing receivables using Aging Analysis
Lease balances included in consolidated accounts receivable—current	233	286
Lease balances included in consolidated accounts receivable—long-term	0	0
Total gross sales-type leases	233	286
Allowance	-144	-91
Total net sales-type leases	89	195
Total sales-type leases
Credit quality of the Company's financing receivables using Aging Analysis
Lease balances included in consolidated accounts receivable—current	1,579	2,353
Lease balances included in consolidated accounts receivable—long-term	398	1,662
Total gross sales-type leases	1,977	4,015
Allowance	-156	-94
Total net sales-type leases	1,821	3,921
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for Doubtful Accounts on financing receivables, beginning of period	94	74
Provisions charged to expense	62	96
Write offs and other	0	76
Allowance for Doubtful Accounts on financing receivables, end of period	$156	$94

Summary_of_Significant_Account5

Summary of Significant Accounting Policies (Inventories) (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014
In Thousands, unless otherwise specified
Accounting Policies [Abstract]
Raw materials and components	$8,474	$6,894
Work in process	1,588	880
Finished goods	4,221	4,016
Total	$14,283	$11,790

Summary_of_Significant_Account6

Summary of Significant Accounting Policies (Prop Plant and Equip) (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014
In Thousands, unless otherwise specified
Property and equipment
Property plant and equipment gross	$41,160	$41,804
Accumulated depreciation and amortization	-19,937	-18,669
Net property and equipment	21,223	23,135
Land and land improvements
Property and equipment
Property plant and equipment gross	1,511	1,480
Buildings and building improvements
Property and equipment
Property plant and equipment gross	14,441	14,405
Furniture, fixtures and office equipment
Property and equipment
Property plant and equipment gross	8,600	10,713
Leasehold improvements
Property and equipment
Property plant and equipment gross	148	46
Equipment leased to customers under Power Purchase Agreements
Property and equipment
Property plant and equipment gross	4,997	4,997
Plant equipment
Property and equipment
Property plant and equipment gross	11,084	10,103
Construction in progress
Property and equipment
Property plant and equipment gross	$379	$60

Summary_of_Significant_Account7

Summary of Significant Accounting Policies (PPE Useful Lives) (Details)	12 Months Ended
	Mar. 31, 2015
Land improvements | Maximum
Depreciation using the straight-line method
Property, plant and equipment, useful life	15 years
Land improvements | Minimum
Depreciation using the straight-line method
Property, plant and equipment, useful life	10 years
Buildings and building improvements | Maximum
Depreciation using the straight-line method
Property, plant and equipment, useful life	39 years
Buildings and building improvements | Minimum
Depreciation using the straight-line method
Property, plant and equipment, useful life	3 years
Furniture, fixtures and office equipment | Maximum
Depreciation using the straight-line method
Property, plant and equipment, useful life	10 years
Furniture, fixtures and office equipment | Minimum
Depreciation using the straight-line method
Property, plant and equipment, useful life	2 years
Equipment leased to customers under Power Purchase Agreements
Depreciation using the straight-line method
Property, plant and equipment, useful life	20 years
Plant equipment | Maximum
Depreciation using the straight-line method
Property, plant and equipment, useful life	10 years
Plant equipment | Minimum
Depreciation using the straight-line method
Property, plant and equipment, useful life	3 years

Summary_of_Significant_Account8

Summary of Significant Accounting Policies (Goodwill and Other Intangible Assets) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$9,063	$8,962
Accumulated Amortization	-2,728	-1,411
Intangible assets, estimated economic useful life	6 years 8 months 12 days
Finite-Lived Intangible Assets, Estimated Amortization Expense
Fiscal 2016	1,226
Fiscal 2017	883
Fiscal 2018	607
Fiscal 2019	431
Fiscal 2020	346
Thereafter	884
Total	4,377
Amortization expense	1,327	704	133
Goodwill [Roll Forward]
Goodwill, beginning of period	4,409	0
Acquisition		4,409
Impairments	0
Goodwill, end of period	4,409	4,409	0
Cost of Sales
Finite-Lived Intangible Assets, Estimated Amortization Expense
Amortization expense	132	135	133
Operating Expenses
Finite-Lived Intangible Assets, Estimated Amortization Expense
Amortization expense	1,195	569	0
Patents
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	2,447	2,362
Accumulated Amortization	-906	-784
Patents | Cost of Sales
Finite-Lived Intangible Assets, Estimated Amortization Expense
Amortization expense	132	135	133
Patents | Minimum
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated economic useful life	10 years
Patents | Maximum
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated economic useful life	17 years
Licenses
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	58	58
Accumulated Amortization	-58	-58
Licenses | Minimum
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated economic useful life	7 years
Licenses | Maximum
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated economic useful life	13 years
Trade name and trademarks
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,958	1,942
Accumulated Amortization	0	0
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	3,600	3,600
Accumulated Amortization	-1,620	-535
Customer relationships | Operating Expenses
Finite-Lived Intangible Assets, Estimated Amortization Expense
Amortization expense	1,085	535	0
Customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated economic useful life	5 years
Customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Intangible assets, estimated economic useful life	8 years
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	900	900
Accumulated Amortization	-109	-19
Intangible assets, estimated economic useful life	8 years
Developed technology | Operating Expenses
Finite-Lived Intangible Assets, Estimated Amortization Expense
Amortization expense	90	19	0
Non-competition agreements
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	100	100
Accumulated Amortization	-35	-15
Intangible assets, estimated economic useful life	5 years
Non-competition agreements | Operating Expenses
Finite-Lived Intangible Assets, Estimated Amortization Expense
Amortization expense	20	15	0
U.S. Markets
Goodwill [Roll Forward]
Goodwill, end of period	2,371
Engineered Systems
Goodwill [Roll Forward]
Goodwill, end of period	2,038
Distribution Services
Goodwill [Roll Forward]
Goodwill, end of period	0
Corporate and Other
Goodwill [Roll Forward]
Goodwill, end of period	$0

Summary_of_Significant_Account9

Summary of Significant Accounting Policies (LT Receivables) (Details) (USD $)	Mar. 31, 2015
In Thousands, unless otherwise specified
Accounting Policies [Abstract]
Fiscal 2016	$309
Fiscal 2017	9
Total gross financed receivable	318
Less: amount above to be collected during the next 12 months	-309
Less: amount representing interest	-1
Total net long-term receivable	$8

Recovered_Sheet1

Summary of Significant Accounting Policies (Warranty Accrual) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Movement in Standard Product Warranty Accrual [Roll Forward]
Beginning of year	$263	$284
Provision to product cost of revenue	776	300
Charges	-24	-321
End of year	$1,015	$263

Recovered_Sheet2

Summary of Significant Accounting Policies (Incentive Comp) (Details) (USD $)	6 Months Ended	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Deferred Bonus
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Financial performance-based bonus guidelines, operating income (minimum)	$500,000
Financial performance-based bonus guidelines, performance target percentage				90.00%
Financial performance-based bonus guidelines, revenue (minimum)		90,400,000	88,000,000	119,000,000
Financial performance-based bonus guidelines, payment percentage of target bonus (maximum)				150.00%
Financial performance-based bonus guidelines, net income (minimum)				3,700,000
Financial performance-based bonus guidelines, cost containment, percent of target bonus payment	50.00%
Financial performance-based bonus guidelines, cost containment (minimum)	1,480,000
Financial performance-based bonus guidelines, cost containment, earning factor for ever dollar achieved	0.167
Financial performance-based bonus guidelines, cost containment, maximum payment amount	247,000
Financial performance-based bonus guidelines, operating income, percent of target bonus payment	50.00%
Financial performance-based bonus guidelines, operating income, earning factor for ever dollar achieved	0.5
Financial performance-based bonus guidelines, operating income, maximum payment amount	247,000
Deferred Compensation Arrangement with Individual, Cash Award, Threshold, Profit Before Taxes		2,300,000	2,000,000
Deferred Bonus | Minimum
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Discretionary bonus payments, percentage		35.00%	25.00%
Deferred Bonus | Maximum
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Discretionary bonus payments, percentage		100.00%	100.00%
Deferred Bonus | Performace Target of Ninety Percent
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Financial performance-based bonus guidelines, revenue (minimum)				107,000,000
Financial performance-based bonus guidelines, payment percentage of target bonus (maximum)				50.00%
Financial performance-based bonus guidelines, net income (minimum)				$3,330,000
Common stock options | Minimum
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Share-based payment award, percentage				13.00%
Common stock options | Maximum
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Share-based payment award, percentage				15.00%

Recovered_Sheet3

Summary of Significant Accounting Policies (Stock Option Assumptions) (Details)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Accounting Policies [Abstract]
Weighted average expected term		4 years 1 month	5 years 6 months
Risk-free interest rate		0.80%	0.80%
Expected volatility		73.30%
Expected volatility, minimum			72.50%
Expected volatility, maximum			74.40%
Expected forfeiture rate	20.30%	20.30%	21.40%

Recovered_Sheet4

Summary of Significant Accounting Policies (EPS) (Details) (USD $)	3 Months Ended								12 Months Ended
In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Numerator:
Net loss	($4,693)	($4,663)	($18,346)	($4,359)	($8,839)	$1,018	$2,403	($781)	($32,061)	($6,199)	($10,399)
Denominator:
Weighted-average common shares outstanding	24,071,000	21,883,000	21,820,000	21,669,000	21,469,000	21,220,000	21,090,000	20,174,000	22,353,419	20,987,964	20,996,625
Weighted-average effect of assumed conversion of stock options and warrants									0	0	0
Weighted-average common shares outstanding	24,071,000	21,883,000	21,820,000	21,669,000	21,469,000	22,329,000	21,542,000	20,174,000	22,353,419	20,987,964	20,996,625
Net income (loss) per common share:
Basic	($0.19)	($0.21)	($0.84)	($0.20)	($0.41)	$0.05	$0.11	($0.04)	($1.43)	($0.30)	($0.50)
Diluted	($0.19)	($0.21)	($0.84)	($0.20)	($0.41)	$0.05	$0.11	($0.04)	($1.43)	($0.30)	($0.50)

Recovered_Sheet5

Summary of Significant Accounting Policies (Dilutive Securities) (Details)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Number of potentially dilutive securities
Number of potentially dilutive securities	3,131,524	3,294,501	3,456,503
Common stock options
Number of potentially dilutive securities
Number of potentially dilutive securities	2,426,836	2,716,317	3,312,523
Restricted shares
Number of potentially dilutive securities
Number of potentially dilutive securities	704,688	539,204	105,000
Common stock warrants
Number of potentially dilutive securities
Number of potentially dilutive securities	0	38,980	38,980

Recovered_Sheet6

Summary of Significant Accounting Policies (Concentration Risk) (Details)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
	customer	customer	customer
Sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration Risk, Number of Entities Involved in Risk Calculation	1	1	0
Concentration risk, percentage	12.00%	23.00%
Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration Risk, Number of Entities Involved in Risk Calculation	0	0
U.S. Markets | Cost of Goods | Supplier Concentration Risk
Concentration Risk [Line Items]
Concentration Risk, Number of Entities Involved in Risk Calculation	0	0	0

Recovered_Sheet7

Summary of Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Summary of Significant Accounting Policies (Textual) [Abstract]
Accounts Receivables Are Due, Minimum Period	30 days
Accounts Receivables Are Due, Maximum Period	60 days
Inventory obsolescence reserve	$1,600,000	$2,500,000
Deferred Contract Costs	90,000	742,000
Unbilled accounts receivable	1,700,000	2,800,000
Real Estate Held-for-sale	1,000,000
Property, Plant and Equipment Impairment Expense	1,000,000	200,000
Depreciation and Amortization	2,853,000	3,798,000	4,322,000
Impairment write-off of Intangible Assets	120,000	45,000	0
Provision for inventory reserves	10,200,000
Deferred financing costs	202,000	33,000
Deferred financing costs amortized over useful life of debt issue minimum	1 year
Deferred financing costs amortized over useful life of debt issue maximum	3 years
Amortization of deferred financing costs	156,000	40,000	42,000
Accrued Project Costs	1,300,000	1,000,000
Product Warranty Accrual	1,015,000	263,000	284,000
Solar power systems completion period minimum	3 months
Solar power systems completion period maximum	15 months
Power purchase agreement product revenue is recognized term	10 years
Advertising costs	149,000	28,000	111,000
Deferred tax assets valuation allowance	11,700,000
Realized tax benefits and (expense) from the exercise of stock options	0	13,000	70,000
Maximum
Summary of Significant Accounting Policies (Textual) [Abstract]
Length of Time of Inventory Usage Considered for Inventory Reserve	24 months
Long-term receivables from OTA contracts present value of the future cash flows discounted rate	11.00%
Minimum
Summary of Significant Accounting Policies (Textual) [Abstract]
Length of Time of Inventory Usage Considered for Inventory Reserve	9 months
Engineered Systems
Summary of Significant Accounting Policies (Textual) [Abstract]
Product Warranty Accrual	300,000
Construction in progress
Summary of Significant Accounting Policies (Textual) [Abstract]
Interest capitalized for construction in progress	$0	$0

Acquisition_Acquisition_Agreem

Acquisition (Acquisition Agreement) (Details) (Harris, USD $)	0 Months Ended			12 Months Ended
	Feb. 12, 2015	Jan. 02, 2014	Jul. 02, 2013	Mar. 31, 2014	Jan. 02, 2015	Oct. 21, 2013	22-May-13
Harris
Business Acquisition [Line Items]
Purchase agreement, value							$10,000,000
Purchase agreement, potential adjustment, amount							200,000
Business acquisition, common stock issued		600,000					600,000
Acquisition consideration, cash	800,000		5,000,000
Acquisition consideration, debt			3,124,000
Acquisition consideration, shares		83,943	856,997
Acquisition consideration, share price (per share)			$2.33
Acquisition share price determination, trading days before purchase agreement			45 days
Acquisition share price determination, trading days after purchase agreement			22 days
Purchase accounting provisions, share price (per share)			$2.41
Business Combination, Fixed Future Consideration, Amount						1,400,000
Business Combination, Fixed Future Consideration, Shares, Price Per Share		$3.80
Business Combination, Fixed Future Consideration, Cash					800,000
Acquisition and integration related costs				$500,000

Acquisition_Consideration_Paid

Acquisition (Consideration Paid) (Details) (USD $)	0 Months Ended
In Thousands, unless otherwise specified	Feb. 12, 2015	Jul. 02, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Preliminary fair value allocation of the purchase price
Goodwill			$4,409	$4,409	$0
Harris
Consideration paid to Harris Shareholders:
Cash	800	5,000
Seller provided debt		3,124
Shares of company common stock		2,065
Contingent consideration arrangement		612
Total consideration paid		10,801
Preliminary fair value allocation of the purchase price
Cash and cash equivalents		8
Accounts receivable, net		2,215
Inventories		1,633
Other current assets		86
Property, plant and equipment		117
Deferred tax asset		141
Accounts payable		-1,519
Deferred tax liabilities		-2,263
Accrued and other liabilities		-526
Total identifiable net assets		6,392
Goodwill		4,409
Assets acquired, goodwill, and liabilities assumed, net		10,801
Harris | Customer relationships
Preliminary fair value allocation of the purchase price
Identifiable intangible assets		3,600
Harris | Non-competition agreements
Preliminary fair value allocation of the purchase price
Identifiable intangible assets		100
Harris | Developed technology
Preliminary fair value allocation of the purchase price
Identifiable intangible assets		900
Harris | Trade name and trademarks
Preliminary fair value allocation of the purchase price
Identifiable intangible assets		$1,900

Acquisition_Contingent_Conside

Acquisition (Contingent Consideration) (Details) (Harris, USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jul. 02, 2013
Harris
Business Acquisition [Line Items]
Contingent consideration maximum amount of liability			$1,000,000
Contingent consideration minimum amount of liability			0
Contingent consideration, recorded liability			600,000
Contingent consideration, reduction in liability during period	$100,000	$300,000

Acquisition_Identifiable_Intan

Acquisition (Identifiable Intangible Assets Acquired) (Details)	12 Months Ended
	Mar. 31, 2015
Business Acquisition [Line Items]
Intangible assets, estimated economic useful life	6 years 8 months 12 days
Customer relationships | Minimum
Business Acquisition [Line Items]
Intangible assets, estimated economic useful life	5 years
Customer relationships | Maximum
Business Acquisition [Line Items]
Intangible assets, estimated economic useful life	8 years
Developed technology
Business Acquisition [Line Items]
Intangible assets, estimated economic useful life	8 years
Non-competition agreements
Business Acquisition [Line Items]
Intangible assets, estimated economic useful life	5 years
Harris | Customer relationships | Minimum
Business Acquisition [Line Items]
Intangible assets, estimated economic useful life	5 years
Harris | Customer relationships | Maximum
Business Acquisition [Line Items]
Intangible assets, estimated economic useful life	8 years
Harris | Developed technology
Business Acquisition [Line Items]
Intangible assets, estimated economic useful life	8 years
Harris | Non-competition agreements
Business Acquisition [Line Items]
Intangible assets, estimated economic useful life	5 years

Acquisition_Pro_Forma_Results_

Acquisition (Pro Forma Results of Operations) (Details) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Pro Forma Results of Operations
Non-recurring aggregate acquisition-related costs	$47,000	$819,000	$0
Harris
Pro Forma Results of Operations
Tax benefit		2,300,000
Revenue	92,868,000	102,198,000
Net income (loss) available to common shareholders	-9,111,000	-7,489,000
Basic	($0.43)	($0.36)
Diluted	($0.43)	($0.36)
Harris | Acquisition-related Costs
Pro Forma Results of Operations
Non-recurring aggregate acquisition-related costs		$200,000

Related_Party_Transactions_Det

Related Party Transactions (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2015	Mar. 31, 2014
Entity that Current Director Sits on the Board of Directors
Related Party Transactions (Textual) [Abstract]
Purchased goods and services	$40
Entity that Current Director Owns Minority Interest and Serves as Board of Directors Chairman [Member]
Related Party Transactions (Textual) [Abstract]
Purchased goods and services		$38	$20

LongTerm_Debt_Details

Long-Term Debt (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014
In Thousands, unless otherwise specified
Long-term debt
Long-term Debt	$5,054	$6,601
Less current maturities	-1,832	-3,450
Long-term debt, less current maturities	3,222	3,151
Revolving credit facility
Long-term debt
Long-term Debt	2,500	0
Harris seller's note
Long-term debt
Long-term Debt	1,607	2,624
Customer equipment finance notes payable
Long-term debt
Long-term Debt	827	2,331
First mortgage note payable
Long-term debt
Long-term Debt	0	607
Debenture payable
Long-term debt
Long-term Debt	0	675
Other long-term debt
Long-term debt
Long-term Debt	$120	$364

LongTerm_Debt_Revolving_Credit

Long-Term Debt (Revolving Credit Facility) (Details) (USD $)	0 Months Ended
	Feb. 06, 2015	Mar. 31, 2015	Mar. 31, 2014
Debt (Textual) [Abstract]
Outstanding letters of credit totaling		$0
Revolving credit facility		2,500,000	0
Wells Fargo Bank, National Association | Credit Agreement | Revolving credit facility
Debt (Textual) [Abstract]
Current borrowings under credit facility	15,000,000
Maximum borrowing capacity under credit facility	20,000,000
Minimum indebtedness ratio	1.1
Interest charge	130,000
Effective interest rate, percentage		3.26%
Commitment fee percentage	0.25%
Revolving credit facility		2,500,000
Additional borrowing capacity		4,400,000
Wells Fargo Bank, National Association | Credit Agreement | Letter of Credit
Debt (Textual) [Abstract]
Maximum borrowing capacity under credit facility	$2,000,000
Commitment fee percentage	3.00%
Wells Fargo Bank, National Association | Credit Agreement | London Interbank Offered Rate (LIBOR) | Revolving credit facility
Debt (Textual) [Abstract]
Spread on basis rate (percentage)	3.00%

LongTerm_Debt_All_Other_Debt_D

Long-Term Debt (All Other Debt) (Details) (USD $)	1 Months Ended	12 Months Ended	0 Months Ended
	Feb. 28, 2011	Mar. 31, 2015	Nov. 06, 2014	Jul. 01, 2013	Sep. 30, 2010	Mar. 31, 2011	Jun. 30, 2011	Dec. 31, 2014	Nov. 30, 2007	Jan. 31, 2011
		contract
Harris seller's note
Debt Instrument [Line Items]
Debt instrument, face amount				$3,100,000
Stated interest rate, percentage		4.00%
September 2010 OTA Finance Program
Debt Instrument [Line Items]
Debt instrument, face amount					2,400,000
Stated interest rate, percentage		7.00%
Repayments of the outstanding notes payable	1,300,000
Prepayment penalty recorded	33,000
Number of supporting individual OTA customer contracts		12
March 2011 OTA Finance Program
Debt Instrument [Line Items]
Debt instrument, face amount						900,000
Stated interest rate, percentage		7.00%
Number of supporting individual OTA customer contracts		3
Monthly principal and interest payment		20,900
June 2011 OTA Finance Program
Debt Instrument [Line Items]
Debt instrument, face amount							2,800,000
Stated interest rate, percentage		7.85%
Number of supporting individual OTA customer contracts		40
First mortgage note payable
Debt Instrument [Line Items]
Monthly principal and interest payment		10,000
Long-term Debt								500,000
Spread on basis rate (percentage)		2.25%
Effective interest rate, percentage		5.50%
Debenture payable
Debt Instrument [Line Items]
Monthly principal and interest payment		8,000
Effective interest rate, percentage		4.94%
Agreement for Wisconsin Community Development Block Grant with Local City Government
Debt Instrument [Line Items]
Debt instrument, face amount									750,000
Stated interest rate, percentage		4.90%
Monthly principal and interest payment		11,000
Agreement with Wisconsin Department of Commerce
Debt Instrument [Line Items]
Debt instrument, face amount					300,000
Stated interest rate, percentage		2.00%
Monthly principal and interest payment		4,600
Period of time without interest accruing or principal payments due		2 years
Amended Agreement for Wisconsin Community Development Block Grant with Local City Government
Debt Instrument [Line Items]
Debt instrument, face amount										200,000
Stated interest rate, percentage		2.11%
Monthly principal and interest payment		3,600
Promissory Note from State Government
Debt Instrument [Line Items]
Stated interest rate, percentage		2.00%
Monthly principal and interest payment		3,400
Minimum | June 2011 OTA Finance Program
Debt Instrument [Line Items]
Debt instrument, covenant compliance, aggregate amount of all remaining scheduled payments due of individual OTA contracts versus remaining principal and interest payments due		1.25
December 2014 OTA Finance Program | De Lage Landen Financial Services, Inc. | Secured Debt
Debt Instrument [Line Items]
Stated interest rate, percentage		8.36%
Secured Debt								400,000
Number of individual OTA customer contracts		25
Revolving credit facility
Debt Instrument [Line Items]
Borrowings by the company under credit agreement		0
Revolving credit facility | JP Morgan Chase Bank, N.A. | Revolving credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity		15,000,000
Maximum borrowing capacity before subject to borrowing base requirements		5,000,000
Revolving credit facility | September 2011 OTA Finance Program | JP Morgan Chase Bank, N.A.
Debt Instrument [Line Items]
Maximum borrowing capacity		5,000,000
Period of time from commitment date to borrow (in years)		1 year
Extinguishment of Debt, Amount			467,000
Borrowings by the company under credit agreement			$0

LongTerm_Debt_Aggregate_Maturi

Long-Term Debt (Aggregate Maturities) (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014
In Thousands, unless otherwise specified
Debt Disclosure [Abstract]
Fiscal 2016	$1,832
Fiscal 2017	706
Fiscal 2018	2,516
Fiscal 2019	0
Thereafter	0
Long-term Debt	$5,054	$6,601

Income_Taxes_Schedule_of_Compo

Income Taxes (Schedule of Components of Income Tax Expense or Benefit) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Income Tax Disclosure [Abstract]
Current	$49	$19	($180)
Deferred	0	-2,077	4,253
Income Tax Expense (Benefit), Continuing Operations	49	-2,058	4,073
Federal	0	-1,830	3,803
State	$49	($228)	$270

Income_Taxes_Reconciliation_of

Income Taxes (Reconciliation of tax rates) (Details)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Income Tax Disclosure [Abstract]
Statutory federal tax rate	34.00%	34.00%	34.00%
State taxes, net	3.60%	2.80%	2.30%
Federal tax credit	0.20%	0.90%	3.90%
State tax credit	0.10%	0.40%	-0.50%
Change in valuation reserve	-37.00%	-10.20%	-111.70%
Permanent items	-0.10%	-2.90%	2.30%
Change in tax contingency reserve	0.00%	-0.30%	3.40%
Other, net	-1.00%	0.20%	1.90%
Effective income tax rate	-0.20%	24.90%	-64.40%

Income_Taxes_Schedule_of_Defer

Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014
In Thousands, unless otherwise specified
Income Tax Disclosure [Abstract]
Inventory, accruals and reserves	$5,297	$1,445
Other	159	139
Deferred revenue	91	44
Valuation allowance	-5,547	-1,628
Total net current deferred tax assets and liabilities	0	0
Federal and state operating loss carryforwards	13,154	6,233
Tax credit carryforwards	1,475	1,498
Non-qualified stock options	2,914	2,541
Deferred revenue	7	23
Fixed assets	-1,698	-1,889
Intangible assets	-1,687	-2,125
Valuation allowance	-14,165	-6,281
Total net long-term deferred tax assets and liabilities	0	0
Total net deferred tax assets	$0	$0

Income_Taxes_Details_Textual

Income Taxes (Details Textual) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Operating Loss Carryforwards [Line Items]
Excess tax benefits from stock-based compensation	$0	$13,000	$70,000
Valuation allowance	19,700,000
Increase in valuation allowance	11,800,000	800,000
Unrecognized Tax Benefits	212,000	210,000	188,000	406,000
Domestic Country
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	38,600,000
Exercise of NQSOs	3,800,000
Tax credit carryforwards	1,500,000
State And Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	28,900,000
Exercise of NQSOs	4,100,000
Tax credit carryforwards	$800,000
Minimum
Operating Loss Carryforwards [Line Items]
Period of time State income tax returns subject to examination	3 years
Maximum
Operating Loss Carryforwards [Line Items]
Period of time State income tax returns subject to examination	5 years

Income_Taxes_Unrecognized_Tax_

Income Taxes (Unrecognized Tax Benefit Activity) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Unrecognized tax benefits as of beginning of fiscal year	$210	$188	$406
Additions based on tax positions related to the current period positions	2	22	16
Reduction for tax positions of prior years	0	0	-1
Reduction due to lapse of statute of limitations	0	0	-233
Unrecognized tax benefits as of end of fiscal year	$212	$210	$188

Commitments_and_Contingencies_1

Commitments and Contingencies (Details Textual) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Long-term Purchase Commitment [Line Items]
Rent expense under operating leases	$398,000	$1,238,000	$1,613,000
Discretionary Company contributions to retirement savings plan	23,000	26,000	8,000
Inventories
Long-term Purchase Commitment [Line Items]
Purchase commitments	$4,300,000

Commitments_and_Contingencies_2

Commitments and Contingencies (Schedule of Annual Commitments under Non-Cancelable Operating Agreements) (Details) (USD $)	Mar. 31, 2015
In Thousands, unless otherwise specified
Commitments and Contingencies Disclosure [Abstract]
Fiscal 2016	$265
Fiscal 2017	159
Fiscal 2018	96
Thereafter	0
Total future payments due	$520

Shareholders_Equity_Details_Te

Shareholders' Equity (Details Textual) (USD $)	0 Months Ended	12 Months Ended			1 Months Ended			30 Months Ended
	Feb. 20, 2015	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Apr. 30, 2012	Nov. 30, 2011	Oct. 31, 2011	Mar. 31, 2014	Aug. 31, 2010	Feb. 15, 2009
Equity, Class of Treasury Stock [Line Items]
Issuance of common stock for cash, net of issuance costs, shares	5,460,000
Offering price, per share	$3.50
Issuance of common stock for cash, net of issuance costs	$17,500,000	$17,465,000	$0	$0
Repurchase of common stock into treasury		0	0	6,007,000
Right issue share price (USD per share)										$30
Minimum subscription percentage		20.00%
Number of business days to trigger a distribution date		10 days
Share acquisition percentage		50.00%
Prior to a person becoming an Acquiring Person, the Board of Directors of the Company's redemption Rate (USD per share)										$0.00
Employee stock purchase plan, shares authorized									2,500,000
Maximum amount limit for ESPP per employee		20,000
Purchase price to market price matching percentage		100.00%
Sec 16 Officers limit percentage on ESPP based on annual income		20.00%
Sec 16 officers maximum limit on ESPP in amounts		250,000
Period of Interest on Loans		10 years
Oct-11
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount					7,500,000	2,500,000	1,000,000
Treasury stock purchase, shares								3,000,000
Repurchase of common stock into treasury								$6,800,000

Shareholders_Equity_Schedule_o

Shareholders' Equity (Schedule of ESPP Activity) (Details) (USD $)	3 Months Ended								12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2015	Mar. 31, 2014
Shares issued from treasury
Shares Issued Under ESPP Plan	492	289	322	383	362	319	702	990	1,486	2,373
Closing Market Price (USD per share)	$3.14	$5.41	$5.35	$4.07	$7.25	$6.80	$3.76	$2.48
Shares Issued Under Loan Program	0	0	0	0	0	0	0	0	0	0
Dollar Value of Loans Issued	$0	$0	$0	$0	$0	$0	$0	$0	$0	$0
Repayment of Loans	$35,400	$0	$1,000	$9,600	$1,677	$94,300	$118,309	$823	$46,000	$215,109
Minimum
Shares issued from treasury
Closing Market Price (USD per share)									$3.14	$2.48
Maximum
Shares issued from treasury
Closing Market Price (USD per share)									$5.41	$7.25

Stock_Options_Restricted_Share2

Stock Options, Restricted Shares and Warrants (Details Textual) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining weighted average expected term	3 years 6 months
Common stock closing price	$3.14
Class of Warrant or Right, Exercised	38,980	0	0
Weighted Average Exercise Price, Exercised (USD per share)	2.25	0	0
2003 Stock Option and 2004 Stock and Incentive Awards Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reserved shares for issuance to key employees	13,500,000
Maximum life of option under the plan	10 years
2003 Stock Option and 2004 Stock and Incentive Awards Plans | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 month
2003 Stock Option and 2004 Stock and Incentive Awards Plans | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years
Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares granted	410,496	526,663
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$4.63
Restricted shares | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining weighted average expected term	3 years
Per share price on grant date (USD per share)	$4.16	$2.41
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$4.16
Restricted shares | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining weighted average expected term	5 years
Per share price on grant date (USD per share)	$7.23	$6.97
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$7.23
Non-Employee Director | 2004 Stock and Incentive Awards Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant of shares to consultant as part of consulting compensation agreement	27,931	33,641	30,422
Non-Employee Director | 2004 Stock and Incentive Awards Plan | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock closing price	$4.20	$2.41	$1.62
Non-Employee Director | 2004 Stock and Incentive Awards Plan | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock closing price	$5.23	$5.73	$2.57
Consultant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant of shares to consultant as part of consulting compensation agreement			3,000
Common stock closing price			$2.03

Stock_Options_Restricted_Share3

Stock Options, Restricted Shares and Warrants (Stock-based Compensation) (Details) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Stock-based compensation
Compensation expense	$1,499,000	$1,593,000	$1,164,000
Cost of product revenue
Stock-based compensation
Compensation expense	50,000	70,000	114,000
General and administrative
Stock-based compensation
Compensation expense	1,056,000	1,025,000	578,000
Sales and marketing
Stock-based compensation
Compensation expense	360,000	485,000	451,000
Research and development
Stock-based compensation
Compensation expense	33,000	13,000	21,000
Harris
Stock-based compensation
Compensation expense		$200,000

Stock_Options_Restricted_Share4

Stock Options, Restricted Shares and Warrants (Schedule of Shares Available for Grant) (Details)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant [Roll Forward]
Number of shares available for grant, beginning of period	1,291,996	1,632,778	1,406,090
Granted shares	-27,931	-33,641	-33,422
Number of shares available for grant, end of period	1,078,600	1,291,996	1,632,778
Common stock options
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant [Roll Forward]
Granted stock options	0	-305,544	-1,054,876
Forfeited	150,074	455,691	1,419,986
Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant [Roll Forward]
Restricted Shares	-410,496	-526,663	-163,750
Forfeited	74,957	69,375	58,750

Stock_Options_Restricted_Share5

Stock Options, Restricted Shares and Warrants (Summary of Outstanding Stock Options) (Details) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of Shares, Beginning Balance	2,716,317	3,312,523	3,697,633
Number of Shares, Granted	0	305,544	1,054,876
Number of Shares, Exercised	-139,407	-446,059	-20,000
Number of Shares, Forfeited	-150,074	-455,691	-1,419,986
Number of Shares, Ending Balance	2,426,836	2,716,317	3,312,523
Number of Shares, Exercisable	1,844,994
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Beginning Balance (in dollars per share)	$3.43	$3.42	$3.76
Weighted Average Exercise Price, Granted Stock Options (in dollars per share)	$0	$1.98	$1.98
Weighted Average Exercise Price, Exercised (in dollars per share)	$2.46	$2.25	$2.25
Weighted Average Exercise Price, Forfeited (in dollars per share)	$3.13	$3.26	$3.26
Weighted Average Exercise Price, Ending Balance (in dollars per share)	$3.50	$3.43	$3.42
Weighted Average Fair Value of Options Granted	$0	$1.32	$1.23	$1.95
Aggregate Intrinsic Value, Outstanding	$1,231,344
Aggregate Intrinsic Value, Exercisable	$740,802

Stock_Options_Restricted_Share6

Stock Options, Restricted Shares and Warrants (Summary of Exercise Price Range) (Details) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding	2,426,836	2,716,317	3,312,523	3,697,633
Weighted Average Remaining Contractual Life (Years)	5 years 4 months 17 days
Weighted Average Exercise Price	$3.50	$3.43	$3.42	$3.76
Vested	1,844,994
Weighted Average Exercise Price	$3.87
$1.62 - 2.25
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$1.62
Exercise Price Range, Upper Range Limit	$2.25
Outstanding	781,276
Weighted Average Remaining Contractual Life (Years)	5 years 10 months 17 days
Weighted Average Exercise Price	$1.99
Vested	456,551
Weighted Average Exercise Price	$2.01
$2.41 - 2.75
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$2.41
Exercise Price Range, Upper Range Limit	$2.75
Outstanding	436,144
Weighted Average Remaining Contractual Life (Years)	7 years 2 months 5 days
Weighted Average Exercise Price	$2.47
Vested	285,432
Weighted Average Exercise Price	$2.46
$2.86 - 4.28
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$2.86
Exercise Price Range, Upper Range Limit	$4.28
Outstanding	773,459
Weighted Average Remaining Contractual Life (Years)	4 years 11 months 23 days
Weighted Average Exercise Price	$3.43
Vested	667,054
Weighted Average Exercise Price	$3.46
$4.49 - 4.76
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$4.49
Exercise Price Range, Upper Range Limit	$4.76
Outstanding	44,400
Weighted Average Remaining Contractual Life (Years)	2 years 2 months 9 days
Weighted Average Exercise Price	$4.63
Vested	44,400
Weighted Average Exercise Price	$4.63
$5.35 - 6.05
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$5.35
Exercise Price Range, Upper Range Limit	$6.05
Outstanding	218,706
Weighted Average Remaining Contractual Life (Years)	3 years 11 months 27 days
Weighted Average Exercise Price	$5.46
Vested	218,706
Weighted Average Exercise Price	$5.46
$9.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$9
Outstanding	43,000
Weighted Average Remaining Contractual Life (Years)	2 years 7 months 10 days
Weighted Average Exercise Price	$9
Vested	43,000
Weighted Average Exercise Price	$9
$10.14 - 11.61
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Range Limit	$10.14
Exercise Price Range, Upper Range Limit	$11.61
Outstanding	129,851
Weighted Average Remaining Contractual Life (Years)	3 years 0 months 18 days
Weighted Average Exercise Price	$10.99
Vested	129,851
Weighted Average Exercise Price	$10.99
Restricted shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$4.63
Restricted shares | Minimum
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$4.16
Restricted shares | Maximum
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$7.23

Stock_Options_Restricted_Share7

Stock Options, Restricted Shares and Warrants (Summary of Unrecognized Compensation Cost) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Fiscal 2016	$1,277
Fiscal 2017	902
Fiscal 2018	487
Fiscal 2019	201
Fiscal 2020	22
Thereafter	0
Total compensation cost	$2,889
Remaining weighted average expected term	3 years 6 months

Stock_Options_Restricted_Share8

Stock Options, Restricted Shares and Warrants (Schedule of Restricted Shares) (Details) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$1,499,000	$1,593,000	$1,164,000
Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$4.63
Shares outstanding, beginning of the period	539,204
Shares issued	410,496
Shares vested	-170,055
Shares forfeited	-74,957
Shares outstanding, end of the period	704,688
Compensation expense	$1,034,945
Restricted shares | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$4.16
Per share price on grant date (USD per share)	$4.16	$2.41
Restricted shares | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$7.23
Per share price on grant date (USD per share)	$7.23	$6.97

Stock_Options_Restricted_Share9

Stock Options, Restricted Shares and Warrants (Outstanding Warrants) (Details)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Class of Warrant or Right, Outstanding [Roll Forward]
Number of Shares Outstanding, Beginning of period	38,980	38,980	38,980
Number of Shares Outstanding, Issued	0	0	0
Number of Shares Outstanding, Exercised	-38,980	0	0
Number of Shares Outstanding, Cancelled	0	0	0
Number of Shares Outstanding, End of period	0	38,980	38,980
Weighted Average Exercise Price, Beginning of Period (USD per share)	2.25	2.25	2.25
Weighted Average Exercise Price, Issued (USD per share)	0	0	0
Weighted Average Exercise Price, Exercised (USD per share)	2.25	0	0
Weighted Average Exercise Price, Cancelled (USD per share)	0	0	0
Weighted Average Exercise Price, End of Period (USD per share)	0	2.25	2.25

Segment_Data_Reconciliation_of

Segment Data (Reconciliation of segment operations) (Details) (USD $)	3 Months Ended								12 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Corporate and Other
Revenues	$19,366	$26,138	$13,393	$13,313	$12,584	$27,692	$27,495	$20,852	$72,210	$88,623	$86,086
Operating (Loss) Profit									-31,936	-8,343	-6,604
Depreciation and Amortization									4,183	4,538	4,577
Capital Expenditures									2,006	410	2,159
U.S. Markets
Corporate and Other
Revenues									37,778	38,766	30,262
Operating (Loss) Profit									-12,542	-1,012	110
Depreciation and Amortization									1,711	2,667	1,774
Capital Expenditures									626	276	993
Engineered Systems
Corporate and Other
Revenues									33,454	49,857	55,824
Operating (Loss) Profit									-12,431	1,260	806
Depreciation and Amortization									1,404	302	249
Capital Expenditures									495	0	50
Distribution Services
Corporate and Other
Revenues									978	0	0
Operating (Loss) Profit									-455		0
Depreciation and Amortization									32	0	0
Capital Expenditures									40	0	0
Corporate and Other
Corporate and Other
Revenues									0	0	0
Operating (Loss) Profit									-6,508	-8,591	-7,520
Depreciation and Amortization									1,036	1,569	2,554
Capital Expenditures									$845	$134	$1,116

Segment_Data_Reconciliation_of1

Segment Data (Reconciliation of segment assets and liabilities) (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014
In Thousands, unless otherwise specified
Corporate and Other
Total Assets	$87,805	$98,940
Deferred Revenue	1,520	1,930
U.S. Markets
Corporate and Other
Total Assets	27,769	36,340
Deferred Revenue	157	244
Engineered Systems
Corporate and Other
Total Assets	27,435	28,309
Deferred Revenue	1,363	1,686
Distribution Services
Corporate and Other
Total Assets	261	0
Deferred Revenue	0	0
Corporate and Other
Corporate and Other
Total Assets	32,340	34,291
Deferred Revenue	$0	$0

Quarterly_Financial_Data_Detai

Quarterly Financial Data (Details) (USD $)	3 Months Ended								12 Months Ended
In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Selected Quarterly Financial Information [Abstract]
Total revenue	$19,366	$26,138	$13,393	$13,313	$12,584	$27,692	$27,495	$20,852	$72,210	$88,623	$86,086
Gross profit	2,982	3,824	-10,555	2,612	1,278	8,150	7,829	5,723	-1,137	22,980	26,730
Net income (loss)	($4,693)	($4,663)	($18,346)	($4,359)	($8,839)	$1,018	$2,403	($781)	($32,061)	($6,199)	($10,399)
Basic net income per share (in usd per share)	($0.19)	($0.21)	($0.84)	($0.20)	($0.41)	$0.05	$0.11	($0.04)	($1.43)	($0.30)	($0.50)
Shares used in basic per share calculation	24,071,000	21,883,000	21,820,000	21,669,000	21,469,000	21,220,000	21,090,000	20,174,000	22,353,419	20,987,964	20,996,625
Diluted net income per share (in usd per share)	($0.19)	($0.21)	($0.84)	($0.20)	($0.41)	$0.05	$0.11	($0.04)	($1.43)	($0.30)	($0.50)
Shares used in diluted per share calculation	24,071,000	21,883,000	21,820,000	21,669,000	21,469,000	22,329,000	21,542,000	20,174,000	22,353,419	20,987,964	20,996,625