STR 10-K 16 Mar 18 2017 FY Annual report Financial data

Document And Entity Information

Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2017	Feb. 28, 2018	Jun. 30, 2017
Document Information [Line Items]
Entity Registrant Name	STR HOLDINGS, INC.
Entity Central Index Key	1,473,597
Trading Symbol	stri
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)		19,983,913
Entity Public Float			$ 1,884,802
Document Type	10-K
Document Period End Date	Dec. 31, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	FY
Amendment Flag	false

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
CURRENT ASSETS
Cash and cash equivalents	$ 13,499	$ 12,379
Bank acceptance notes	904	3,360
Accounts receivable, trade, less allowances for doubtful accounts of $1,725 and $2,640 in 2017 and 2016, respectively	1,199	2,989
Inventories, net	1,110	1,847
Prepaid expenses	748	972
Other current assets	767	1,095
Total current assets	18,227	22,642
Property, plant and equipment, net	8,728	7,974
Assets held for sale (Note 8)	6,155	6,090
Other long-term assets	76	140
Total assets	33,186	36,846
CURRENT LIABILITIES
Accounts payable	971	1,500
Accrued liabilities	2,307	2,617
Income taxes payable	896	993
Due to factor	454	381
Total current liabilities	4,628	5,491
Deferred tax liabilities	698
Total liabilities	5,326	5,491
COMMITMENTS AND CONTINGENCIES (Note 11)
Stockholders’ equity
Preferred stock, $0.01 par value, 20,000,000 shares authorized; no shares issued and outstanding
Common stock, $0.01 par value, 200,000,000 shares authorized; 19,919,529 and 19,918,289 issued and outstanding, respectively as of December 31, 2017 and 19,239,587 and 19,238,347 issued and outstanding, respectively as of December 31, 2016	195	187
Treasury stock, 1,240 shares at cost	(57)	(57)
Additional paid-in capital	232,149	231,627
Accumulated deficit	(199,072)	(193,971)
Accumulated other comprehensive loss, net of taxes	(5,355)	(6,431)
Total stockholders’ equity	27,860	31,355
Total liabilities and stockholders’ equity	$ 33,186	$ 36,846

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Allowance for doubtful accounts	$ 1,725	$ 2,640
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	20,000,000	20,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	200,000,000	200,000,000
Common stock issued (in shares)	19,919,529	19,239,587
Common stock, outstanding (in shares)	19,918,289	19,238,347
Treasury stock, shares (in shares)	1,240	1,240

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Net sales	$ 13,540	$ 20,112
Cost of sales	14,915	22,127
Gross loss	(1,375)	(2,015)
Selling, general and administrative expenses	6,067	7,058
Research and development expense	733	1,216
(Recovery) provisions for bad debt expense	(918)	2,354
Operating loss	(7,257)	(12,643)
Interest income, net	21	37
Other income (expense), net	2,652	(1,848)
Loss on disposal of fixed assets	(382)	(890)
Foreign currency transaction gain (loss)	53	(526)
Loss from operations before income tax expense	(4,913)	(15,870)
Income tax expense from operations	188
Net loss from operations	(5,101)	(15,870)
Other comprehensive loss:
Foreign currency translation (net of tax effect of $404 and $(102), respectively)	1,076	(580)
Other comprehensive income (loss)	1,076	(580)
Comprehensive loss	$ (4,025)	$ (16,450)
Net loss per share (Note 4):
Basic (in dollars per share)	$ (0.27)	$ (0.86)
Diluted (in dollars per share)	$ (0.27)	$ (0.86)
Weighted-average shares outstanding (Note 4):
Basic (in shares)	18,914,059	18,391,283
Diluted (in shares)	18,914,059	18,391,283

Consolidated Statements of Com5

Consolidated Statements of Comprehensive Loss (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Foreign currency translation, tax effect	$ 404	$ (102)

Consolidated Statements of Chan

Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2015	18,214,762	1,240
Balance at Dec. 31, 2015	$ 182	$ (57)	$ 230,999	$ (5,851)	$ (178,101)	$ 47,172
Stock-based compensation (in shares)	455,165
Stock-based compensation	$ 5		572			577
Shared services arrangement with Zhenfa			56			56
Net loss					(15,870)	(15,870)
Foreign currency translation (net of tax effect of $404 and $(102), respectively)				(580)		(580)
Balance (in shares) at Dec. 31, 2016	18,669,927	1,240
Balance at Dec. 31, 2016	$ 187	$ (57)	231,627	(6,431)	(193,971)	31,355
Stock-based compensation (in shares)	862,646
Stock-based compensation	$ 8		522			530
Net loss					(5,101)	(5,101)
Foreign currency translation (net of tax effect of $404 and $(102), respectively)				1,076		1,076
Balance (in shares) at Dec. 31, 2017	19,532,573	1,240
Balance at Dec. 31, 2017	$ 195	$ (57)	$ 232,149	$ (5,355)	$ (199,072)	$ 27,860

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
OPERATING ACTIVITIES
Net loss	$ (5,101)	$ (15,870)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	708	1,714
Stock-based compensation expense	506	541
Loss on disposal of property, plant and equipment	382	890
(Recovery) provisions for bad debt expense	(918)	2,354
(Recovery) impairment of assets held for sale	(65)	1,739
Deferred income tax expense	294
Changes in operating assets and liabilities:
Accounts receivable	3,141	3,380
Due from Zhenfa		1,924
Cash received from income tax refunds		8,252
Inventories	910	2,837
Other current assets	2,694	(3,737)
Accounts payable	(415)	(597)
Accrued liabilities	(28)	791
Income taxes payable	(100)	6
Other	29	252
Total net cash provided by operating activities	2,037	4,476
INVESTING ACTIVITIES
Capital investments	(1,220)	(329)
Proceeds from sale of fixed assets	274	82
Net cash used in investing activities	(946)	(247)
FINANCING ACTIVITIES
Shared services arrangement with Zhenfa		56
Factoring arrangement	16	(90)
Net cash provided by (used in) financing activities	16	(34)
Effect of exchange rate changes on cash	13	481
Net increase in cash and cash equivalents	1,120	4,676
Cash and cash equivalents, beginning of period	12,379	7,703
Cash and cash equivalents, end of period	13,499	12,379
Cash (received) paid during the period for:
Income taxes		(8,252)
Interest expense paid to factoring arrangement	$ 31	$ 38

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation and Nature of Operations	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	NOTE 1—BASIS Basis of Presentation These consolidated financial statements reflect the financial statements of STR Holdings, Inc. (“Holdings” or the “Company”) and its subsidiaries on a consolidated basis. The accompanying consolidated financial statements and the related information contained within the notes to the consolidated financial statements have been prepared in accordance with Generally Accepted Accounting Principles (“GAAP”) in the United States of America and applicable rules and regulations of the Securities and Exchange Commission (“SEC”) for financial information and annual reports on the Form 10 Nature of Operations The Company was incorporated in 1944 two

Note 2 - Summary of Significant

Note 2 - Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]	NOTE 2—SUMMARY A summary of the Company’s significant accounting policies is as follows: Basis of Accounting. Principles of Consolidation. Use of Estimates. Fair Value Estimates. 820 10 820 10 Level 1: Unadjusted quoted prices in active markets for identical assets or liabilities Level 2: Unadjusted quoted prices in active markets for similar assets or liabilities, or unadjusted quoted prices for identical or similar assets or liabilities in markets that are not Level 3: Unobservable inputs for the asset or liability The carrying values for cash, accounts receivable, income tax receivable, accounts payable, accrued liabilities, income taxes payable and other current assets and liabilities approximate their fair values due to their short maturities. The carrying value of the Company’s money market funds is based on the balance of its money market funds as of December 31, 2017, 1 Foreign Currency Translation and Transactions. Cash and Cash Equivalents. three Recognition of Revenue and Accounts Receivable. The Company recognizes revenue from the manufacture and sale of its encapsulants, which is the only contractual deliverable, either at the time of shipping or at the time the product is received at the customer’s port or dock, depending upon terms of the sale. The Company does not On isolated occasions, the Company has offered limited short-term performance warranties relating to its encapsulants not 1970s 20 no no not Allowance for Doubtful Accounts. Inventories. six nine first first The Company will write down inventory to its net realizable value when it is probable that the inventory carrying cost is not The Company has reserves of $59 $435 December 31, 2017 2016, Long-Lived Assets. In accordance with ASC 360 may not Asset Retirement Obligations. 410 not Leases. 840 Income Taxes. 740 not not The Company operates in multiple taxing jurisdictions and is subject to the jurisdiction of a number of U.S. and non-U.S. tax authorities and to tax agreements and treaties among those authorities. Operations in these jurisdictions are taxed on various bases in accordance with jurisdictional regulations. Tax benefits related to uncertain tax positions taken or expected to be taken on a tax return are recorded when such benefits meet a more likely than not 16. Factoring Arrangement. first 2017. December 31, 2017 $454 14. Product Performance Accrual. not On isolated occasions, the Company has offered limited short-term performance warranties relating to its encapsulants not 1970s 20 no no not Cost of Sales. Selling, General and Administrative Expenses. Research and Development Expense. Stock-Based Compensation. 718 17. Loss Per Share. 260 260, 4. Comprehensive Loss. Recent Accounting Pronouncements: In May 2014, No. 2014 09, 606 December 15, 2016. August 12, 2015, 2015 14, 606 2014 09 one December 15, 2017. December 15, 2016. March, April May 2016, not In January 2016, 2016 01, December 15, 2017, not On January 1, 2017, 2016 09, 718 2016 09" 2016 09, no In October 2016, 2016 16, 740 December 15, 2017, not

Note 3 - Transaction With Zhen

Note 3 - Transaction With Zhen Fa New Energy (U.S.) Co., Ltd. and Zhenfa Energy Group Co., Ltd.	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Definitive Agreements Disclosure [Text Block]	NOTE 3—TRANSACTION The Company has entered into certain definitive agreements with Zhenfa Energy Group Co., Ltd., a Chinese limited liability company (“Zhenfa”) and its affiliate, Zhen Fa New Energy (U.S.) Co., Ltd., a Nevada corporation (“Zhenfa U.S.”). Purchase Agreement On August 11, 2014, 51% December 15, 2014 ( Sales Service Agreement In connection with the execution of the Purchase Agreement, Specialized Technology Resources, Inc., an operating subsidiary of the Company, entered into a Sales Service Agreement (the “ Sales Service Agreement”) with Zhenfa whereby Zhenfa agreed, among other things, to assist the Company in a number of endeavors, including, without limitation, marketing and selling the Company’s products in China, acquiring local raw materials, hiring and training personnel in China, and complying with Chinese law. The Sales Service Agreement became effective on the Closing Date for an initial term of two one may 10%

Note 4 - Loss Per Share

Note 4 - Loss Per Share	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Earnings Per Share [Text Block]	NOTE 4—LOSS The calculation of basic and diluted net loss per share for the periods presented is as follows: Year Ended Year Ended Basic and diluted net loss per share Numerator: Net loss $ (5,101 ) $ (15,870 ) Denominator: Weighted-average shares outstanding 18,914,059 18,391,283 Add: Dilutive effect of stock options — — Dilutive effect of restricted common stock — — Weighted-average shares outstanding with dilution 18,914,059 18,391,283 Net loss per share: Basic $ (0.27 ) $ (0.86 ) Diluted $ (0.27 ) $ (0.86 ) Due to the net loss during the years ended December 31, 2017 2016, not Because the effect would be anti-dilutive, there were 1,121,332 not December 31, 2017 2016.

Note 5 - Bank Acceptance Notes

Note 5 - Bank Acceptance Notes	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	NOTE 5—BANK Customers in China may value to suppliers who will accept the note as settlement of the Company’s accounts payable balance with them. Bank acceptance notes consists of the following: December 31, December 31, Balance as of beginning of period $ 3,360 $ 92 Received from customers 1,985 7,030 Converted to cash (3,508 ) — Paid to suppliers (1,162 ) (3,756 ) Foreign exchange impact 229 (6 ) Balance as of end of period $ 904 $ 3,360 All of the bank acceptance notes as of December 31, 2017 June 30, 2018. December 31, 2017, 5.5%.

Note 6 - Inventories, Net

Note 6 - Inventories, Net	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Inventory Disclosure [Text Block]	NOTE 6—INVENTORIES, Inventories consist of the following: December 31, December 31, Finished goods $ 340 $ 470 Raw materials 829 1,812 Reserve (59 ) (435 ) Inventories, net $ 1,110 $ 1,847

Note 7 - Long-lived Assets

Note 7 - Long-lived Assets	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	NOTE 7—LONG Property, Plant and Equipment Property, plant and equipment consist of the following: Estimated December 31, December 31, Land $ 2,332 $ 2,039 Buildings and improvements 15 - 40 5,066 5,007 Machinery and equipment 5 - 8 10,104 9,079 Furniture, fixtures and computers 3 - 5 3,006 2,693 Less: accumulated depreciation (14,522 ) (12,649 ) Subtotal 5,986 6,169 Construction-in-progress 2,742 1,805 Property, plant and equipment, net $ 8,728 $ 7,974 Depreciation expense was $708 $1,714 December 31, 2017 2016, Due to its decision to close its Malaysia facility, the Company performed an analysis to assess the specific recoverability of its property, plant and equipment using updated real estate appraisals and other data for its other fixed assets, mainly production equipment. Based upon this analysis, the Company recorded an impairment loss of $1,739 2016. $65, 2017. Impairment Testing In accordance with ASC 360 may not At December 31, 2017 December 31, 2016, three December 31, 2017. no 2017. may

Note 8 - Assets Held for Sale

Note 8 - Assets Held for Sale	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Long-lived Assets Held for Sale Disclosure [Text Block]	NOTE 8—ASSETS In July 2015, August 2, 2015. 2016, RM25,000 $6,155 December 31, 2017). July 31, 2017, not In accordance with ASC 360 360 10 45 9 December 31, 2017 December 31, 2016 $65, 2017. $1,739 second 2016.

Note 9 - Leases

Note 9 - Leases	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Leases of Lessee Disclosure [Text Block]	NOTE 9—LEASES The Company leases office equipment under operating leases. Future minimum payments under all non-cancelable operating leases were $3 December 31, 2017 2018. Rental expense on facility space and equipment operating leases was $87 $198 December 31, 2017 2016,

Note 10 - Accrued Liabilities

Note 10 - Accrued Liabilities	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Accounts Payable and Accrued Liabilities Disclosure [Text Block]	NOTE 10—ACCRUED Accruals consist of the following: December 31, December 31, Product performance (see Note 11) $ — $ 21 Salary and wages 239 310 Accrued bonus 258 270 Professional fees 319 535 Restructuring severance and benefits (see Note 12) 87 269 Environmental (see Note 11) 57 57 Accrued franchise tax 90 66 Client deposits 1,157 922 Other 100 167 Total $ 2,307 $ 2,617

Note 11 - Commitments and Conti

Note 11 - Commitments and Contingencies	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	NOTE 11—COMMITMENTS The Company is a party to claims and litigation in the normal course of its operations. Management believes that the ultimate outcome of these matters will not Product Performance Matters The Company provides a short-term warranty that it has manufactured its products to the Company’s specifications. On limited occasions, the Company incurs costs to service its products in connection with specific product performance matters that do not On isolated occasions, the Company has also offered limited short-term performance warranties relating to its encapsulants not 1970s 20 no no not The Company has accrued for specific product performance matters incurred in 2017 2016 may $0 $21 December 31, 2017 December 31, 2016, Environmental During 2010, 10 450 $57 December 31, 2017 December 31, 2016. Solaria In October 2016, No. 8 2005 2006 2006. €3.3 A trial was held on April 6, 2017 not no December 31, 2017 December 31, 2016.

Note 12 - Cost Reduction Action

Note 12 - Cost Reduction Actions	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Restructuring and Related Activities Disclosure [Text Block]	NOTE 12—COST In June 2016, July 5, 2016. $121 $108 2016. On March 7, 2017 second 2017. not $112 $29 2017. third The restructuring accrual consists of $87 December 31, 2017. Balance at January 1, 2016 $ 268 Additions 256 Reductions (255 ) Balance at December 31, 2016 269 Additions 213 Reductions (272 ) Reversals (123 ) Balance at December 31, 2017 $ 87

Note 13 - Fair Value Measuremen

Note 13 - Fair Value Measurements	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Fair Value Disclosures [Text Block]	NOTE 13—FAIR The Company measures certain financial assets and liabilities at fair value on a recurring basis in the financial statements. The hierarchy ranks the quality and reliability of inputs, or assumptions, used in the determination of fair value and requires financial assets and liabilities carried at fair value to be classified and disclosed in one three • Level 1 • Level 2 not • Level 3 not The following table provides the fair value measurements of applicable financial assets and liabilities as of December 31, 2017: Financial assets and liabilities Level 1 Level 2 Level 3 Money market funds(1) $ 6,688 $ — $ — Bank acceptance notes (2) 904 — — Non-recurring fair value measurements (3) — — 6,155 Total $ 7,592 $ — $ 6,155 The following table provides the fair value measurements of applicable financial assets and liabilities as of December 31, 2016: Financial assets and liabilities Level 1 Level 2 Level 3 Money market funds(1) $ 7,429 $ — $ — Bank acceptance notes (2) 3,360 — — Non-recurring fair value measurements (3) — — 6,090 Total $ 10,789 $ — $ 6,090 __________________________ ( 1 Included in cash and cash equivalents on the Company’s Consolidated Balance Sheets. The carrying amount of money market funds is a reasonable estimate of fair value due to the short-term maturity. ( 2 Refer to Note 5 ( 3 Included in assets held for sale on the Company’s Consolidated Balance Sheets. Refer to Note 8

Note 14 - Factoring Arrangement

Note 14 - Factoring Arrangement	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Factoring Arrangement Disclosure [Text Block]	NOTE 14—FACTORING STR Spain has a factoring agreement to sell, with recourse, certain European, U.S. and other foreign company-based receivables to Eurofactor Hispania S.A.U., who was later acquired by Credit Agricole Leasing and Factoring sucursal en España during the first 2017. one €1,500 $1,800 December 31, 2017), 2% 2% 90 December 31, 2017 December 31, 2016 $454 $381,

Note 15 - Income Taxes

Note 15 - Income Taxes	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Income Tax Disclosure [Text Block]	NOTE 15—INCOME The Tax Cuts and Jobs Act (the "Act") was enacted in December 2017. 35 21 one December 31, 2017, not one not $698 December 31, 2017 We are still analyzing the Act and refining our calculations, which could potentially impact the measurement of our tax balances. Loss before income tax expense (benefit) is as follows: Year Ended Year Ended Domestic $ (9,514 ) $ (3,070 ) Foreign 4,601 (12,800 ) Total $ (4,913 ) $ (15,870 ) The expense (benefit) for income taxes consists of the following components: Year Ended Year Ended Current income tax (benefit) expense U.S. federal $ — $ — Foreign — — State and local (106 ) — Total current income tax (benefit) expense (106 ) — Deferred income tax expense (benefit) U.S. federal 294 — Foreign — — State and local — — Total deferred income tax expense (benefit 294 — Total income tax expense (benefit) $ 188 $ — There were no December 31, 2016 January 1, 2017, 2016 09, 718 2016 09" no twelve December 31, 2017 no During 2016 2017, no December 31, 2016. $0 $43 December 31, 2017 2016, A deferred tax expense of $404 $0 December 31, 2017 2016, 404 December 31, 2017 740 20 The Company was not December 31, 2017 2016. Following is a reconciliation of the Company’s effective income tax rate to the United States federal statutory tax rate: Year Ended Year Ended Expected tax at U.S. statutory income tax rate 35.0 % 35.0 % U.S. state and local income taxes net of federal income tax effect 1.4 % 0.0 % Foreign rate differential 11.2 % (6.3 )% Foreign unremitted earnings (11.8 )% (22.5 )% Foreign tax credit (31.8 )% 0.0 % Stock option cancellations 0.0 % (0.3 )% Change in valuation allowance 49.4 % 1.6 % Withholding tax (14.2 )% 0.0 % Intra-period allocation 8.2 % 0.0 % Nondeductible Expenses (51.2 )% 0.0 % Other 0.0 % (7.5 )% Effective tax rate (3.8 )% 0.0 % The effect of temporary differences is included in deferred tax accounts as follows: Year Ended Year Ended Deferred tax assets: Accrued compensation $ 21 $ 79 Inventory 3 2 Bad debt reserves 28 45 Product performance accrual 12 20 Non-qualified stock option compensation 229 252 Operating loss carryforwards 9,646 10,298 Fixed assets 134 223 Other 40 149 Total deferred tax assets before valuation allowance $ 10,113 $ 11,068 Valuation allowance (8,647 ) (11,068 ) Total deferred tax assets $ 1,466 $ — Deferred tax liabilities: Withholding tax (698 ) — Foreign unremitted earnings (1,466 ) — Total deferred tax liabilities $ (2,164 ) $ — Total net deferred tax (liabilities) $ (698 ) $ — A valuation allowance is recorded on certain deferred tax assets if it has been determined it is more likely than not not $8,647 $11,068 December 31, 2017 December 31, 2016, December 31, 2017 December 31, 2016 The Company recognizes interest accrued related to its liability for unrecognized tax benefits and penalties in income tax expense. The Company recorded interest and penalties related to unrecognized tax benefits as a component of income tax expense in the amount of approximately $0 $0 December 31, 2017 2016, $0 $0 December 31, 2017 December 31, 2016, The Company had $0 December 31, 2017 2016, $0 December 31, 2017 2016. 2011 2016 $0 twelve The Company conducts its business globally and as a result, the Company and one The Company has open tax years for 2015 2016 2016 February 2018. 2012 2016 may may During 2016, $8,252 2014 The Company is not The Company’s subsidiary in Malaysia is operating under a tax holiday arrangement that extends through 2019. 4.9% 6.5% 2017 2016,

Note 16 - Stockholders' Equity

Note 16 - Stockholders' Equity	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Stockholders' Equity Note Disclosure [Text Block]	NOTE 16—STOCKHOLDERS’ Common Stock The Company’s Board of Directors has authorized 200,000,000 $0.01 December 31, 2017, 19,919,529 19,918,289 one 19,918,289 19,532,573 385,716 At December 31, 2016, 19,239,587 19,238,347 one 19,238,347 18,669,927 568,420

Note 17 - Stock-based Compensat

Note 17 - Stock-based Compensation	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	NOTE 17—STOCK On November 6, 2009, 2009 “2009 May 14, 2013, 2009 4,133,133 2009 2009 2009 may three four ten The following table summarizes the Company’s stock-based compensation awards under the 2009 2017 2016: Date Award Type Fair Value Shares Recipient 4 th Restricted Stock $ 0.28 385,716 Board of Directors 4 th Restricted Stock $ 0.20 78,752 Board of Directors 3 rd Restricted Stock $ 0.20 72,045 Board of Directors 2 nd Restricted Stock $ 0.21 70,450 Board of Directors 2 nd Restricted Stock $ 0.21 55,833 Board of Directors 1 st Restricted Stock $ 0.20 91,356 Board of Directors 1 st Restricted Stock $ 0.15 210,000 Board of Directors 4 th Restricted Stock $ 0.19 568,420 Board of Directors 4 th Restricted Stock $ 0.22 119,835 Board of Directors 3 rd Restricted Stock $ 0.29 80,272 Board of Directors 2 nd Restricted Stock $ 0.23 35,472 Board of Directors 2 nd Restricted Stock $ 0.30 100,096 Board of Directors 1 st Restricted Stock $ 0.37 85,136 Board of Directors There were 776,823 2009 December 31, 2017. The following table summarizes the stock option activity under the Company’s 2009 two December 31, 2017: Options Outstanding Number of Weighted- Weighted- Weighted- Aggregate Balance at January 1, 2016 1,501,331 $ 1.52 — $ 0.99 $ (1,937 ) Options granted — $ — — $ — $ — Exercised — $ — — $ — $ — Cancelled/forfeited (379,999 ) $ 1.52 — $ 0.99 $ 490 Balance at December 31, 2016 1,121,332 $ 1.52 — $ 0.99 $ (1,447 ) Options granted — $ — — $ — $ — Exercised — $ — — $ — $ — Cancelled/forfeited — $ — — $ — $ — Balance at December 31, 2017 1,121,332 $ 1.52 7.10 $ 0.99 $ (1,447 ) Vested and exercisable as of December 31, 2017 747,552 $ 1.52 7.10 $ 0.99 $ (964 ) Vested and exercisable as of December 31, 2017 and expected to vest thereafter 1,119,447 $ 1.52 7.10 $ 0.99 $ (1,444 ) __________________________ ( 1 The aggregate intrinsic value for December 31, 2017 December 31, 2016 $0.23 December 31, 2017. As of December 31, 2017, $31 one not December 31, 2017 2016. The following table summarizes the restricted shares activity for the two December 31, 2017: Unvested Number of Weighted-Average Unvested at January 1, 2016 45,805 $ 1.14 Granted 989,231 $ — Vested (455,165 ) $ 1.14 Cancelled (11,451 ) $ 1.14 Unvested at December 31, 2016 568,420 $ — Granted 964,152 $ — Vested (862,646 ) $ — Cancelled (284,210 ) $ — Unvested at December 31, 2017 385,716 $ — Expected to vest after December 31, 2017 385,716 $ — As of December 31, 2017, $99 one Stock-based compensation expense was included in the following consolidated statements of comprehensive loss categories: Years Ended 2017 2016 Selling, general and administrative expense $ 506 $ 541 Total stock-based compensation expense $ 506 $ 541

Note 18 - Reportable Segment an

Note 18 - Reportable Segment and Geographical Information	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	NOTE 18—REPORTABLE ASC 280 10 50, one one one Adjusted EBITDA is the main metric used by the management team and the Board of Directors to plan, forecast and review the Company’s segment performance. Adjusted EBITDA represents net loss before interest income and expense, income tax expense, depreciation, stock-based compensation expense, restructuring and certain non-recurring income and expenses from the results of operations. The following tables set forth information about the Company’s operations by its reportable segment and by geographic area: Operations by Reportable Segment Year Ended Year Ended Reconciliation of Adjusted EBITDA to Net Loss Adjusted EBITDA $ (6,016 ) $ (10,643 ) Depreciation (708 ) (1,714 ) Interest income, net 21 37 Income tax expense (188 ) — Other non-operating expenses — (124 ) Restructuring (90 ) (256 ) Stock-based compensation (506 ) (541 ) Proceeds received from insurance claim 2,703 — Impairment of assets held for sale 65 (1,739 ) Loss on disposal of fixed assets (382 ) (890 ) Net Loss $ (5,101 ) $ (15,870 ) Operations by Geographic Area Year Ended Year Ended Net Sales United States $ 243 $ 58 Spain 9,278 9,934 China 4,019 10,120 Total Net Sales $ 13,540 $ 20,112 Long-Lived Assets by Geographic Area December 31, December 31, Long-Lived Assets United States $ 1,311 $ 1,448 Spain 7,141 5,990 China 276 535 Hong Kong — 1 Total Long-Lived Assets $ 8,728 $ 7,974 Foreign sales are based on the country in which the net sales originated. Net sales to two 10% December 31, 2017 $4,410. two December 31, 2016 $6,590. two $70 December 31, 2017 two $597 December 31, 2016.

Note 19 - Employee Benefit Plan

Note 19 - Employee Benefit Plans	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Pension and Other Postretirement Benefits Disclosure [Text Block]	NOTE 19—EMPLOYEE The Company maintained one December 31, 2017 2016 The Company also maintained defined contribution benefit plans for certain foreign employees. The expense under these plans was $106 $143 December 31, 2017 2016,

Note 20 - Related Parties

Note 20 - Related Parties	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	NOTE 20—RELATED Huhui Supply Agreement The Company’s Chinese subsidiary, Specialized Technology Resources Solar (Suzhou) Co. Ltd. (“STR China”) entered into a supply agreement (the “Huhui Supply Agreement”) dated as of December 31, 2014 not 535 10% not one six first not 30 December 31, 2017, not one 90 $1,148 December 31, 2015, December 31, 2017 not

Note 21 - Subsequent Events

Note 21 - Subsequent Events	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 21—SUBSEQUENT Equipment Purchase and License Agreement On January 16, 2018, Under the equipment purchase agreement, the Company will purchase from a third one may Under the Agreements, the Purchaser will pay the Company an aggregate of $6,000. $1,750 first 2018, 2018 2019. The Company does not

Schedule II - Valuation and Qua

Schedule II - Valuation and Qualifying Accounts	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]	Schedule II-Valuation and Qualifying Accounts STR Holdings, Inc. and Subsidiaries Beginning Additions/ Currency Reductions Balance at Accounts Receivable Allowance for Doubtful Accounts: Year ended December 31, 2017 $ 2,640 (918 ) 134 (131 ) $ 1,725 Year ended December 31, 2016 $ 499 2,354 (130 ) (83 ) $ 2,640 Tax Valuation Allowance: Year ended December 31, 2017 $ 11,068 — — (2,421 ) $ 8,647 Year ended December 31, 2016 $ 8,880 2,188 — — $ 11,068 Inventory Reserve: Year ended December 31, 2017 $ 435 (287 ) 23 (112 ) $ 59 Year ended December 31, 2016 $ 696 (119 ) (31 ) (111 ) $ 435

Significant Accounting Policies

Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2017
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	Basis of Accounting.
Consolidation, Policy [Policy Text Block]	Principles of Consolidation.
Use of Estimates, Policy [Policy Text Block]	Use of Estimates.
Fair Value Measurement, Policy [Policy Text Block]	Fair Value Estimates. 820 10 820 10 Level 1: Unadjusted quoted prices in active markets for identical assets or liabilities Level 2: Unadjusted quoted prices in active markets for similar assets or liabilities, or unadjusted quoted prices for identical or similar assets or liabilities in markets that are not Level 3: Unobservable inputs for the asset or liability The carrying values for cash, accounts receivable, income tax receivable, accounts payable, accrued liabilities, income taxes payable and other current assets and liabilities approximate their fair values due to their short maturities. The carrying value of the Company’s money market funds is based on the balance of its money market funds as of December 31, 2017, 1
Foreign Currency Transactions and Translations Policy [Policy Text Block]	Foreign Currency Translation and Transactions.
Cash and Cash Equivalents, Policy [Policy Text Block]	Cash and Cash Equivalents. three
Revenue Recognition, Policy [Policy Text Block]	Recognition of Revenue and Accounts Receivable. The Company recognizes revenue from the manufacture and sale of its encapsulants, which is the only contractual deliverable, either at the time of shipping or at the time the product is received at the customer’s port or dock, depending upon terms of the sale. The Company does not On isolated occasions, the Company has offered limited short-term performance warranties relating to its encapsulants not 1970s 20 no no not
Trade and Other Accounts Receivable, Policy [Policy Text Block]	Allowance for Doubtful Accounts.
Inventory, Policy [Policy Text Block]	Inventories. six nine first first The Company will write down inventory to its net realizable value when it is probable that the inventory carrying cost is not The Company has reserves of $59 $435 December 31, 2017 2016,
Property, Plant and Equipment, Policy [Policy Text Block]	Long-Lived Assets. In accordance with ASC 360 may not
Asset Retirement Obligation [Policy Text Block]	Asset Retirement Obligations. 410 not
Lessee, Leases [Policy Text Block]	Leases. 840
Income Tax, Policy [Policy Text Block]	Income Taxes. 740 not not The Company operates in multiple taxing jurisdictions and is subject to the jurisdiction of a number of U.S. and non-U.S. tax authorities and to tax agreements and treaties among those authorities. Operations in these jurisdictions are taxed on various bases in accordance with jurisdictional regulations. Tax benefits related to uncertain tax positions taken or expected to be taken on a tax return are recorded when such benefits meet a more likely than not 16.
Factoring Arrangement [Policy Text Block]	Factoring Arrangement. first 2017. December 31, 2017 $454 14.
Guarantees, Indemnifications and Warranties Policies [Policy Text Block]	Product Performance Accrual. not On isolated occasions, the Company has offered limited short-term performance warranties relating to its encapsulants not 1970s 20 no no not
Cost of Sales, Policy [Policy Text Block]	Cost of Sales.
Selling, General and Administrative Expenses, Policy [Policy Text Block]	Selling, General and Administrative Expenses.
Research and Development Expense, Policy [Policy Text Block]	Research and Development Expense.
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]	Stock-Based Compensation. 718 17.
Earnings Per Share, Policy [Policy Text Block]	Loss Per Share. 260 260, 4.
Comprehensive Income, Policy [Policy Text Block]	Comprehensive Loss.
New Accounting Pronouncements, Policy [Policy Text Block]	Recent Accounting Pronouncements: In May 2014, No. 2014 09, 606 December 15, 2016. August 12, 2015, 2015 14, 606 2014 09 one December 15, 2017. December 15, 2016. March, April May 2016, not In January 2016, 2016 01, December 15, 2017, not On January 1, 2017, 2016 09, 718 2016 09" 2016 09, no In October 2016, 2016 16, 740 December 15, 2017, not

Note 4 - Loss Per Share (Tables

Note 4 - Loss Per Share (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Year Ended Year Ended Basic and diluted net loss per share Numerator: Net loss $ (5,101 ) $ (15,870 ) Denominator: Weighted-average shares outstanding 18,914,059 18,391,283 Add: Dilutive effect of stock options — — Dilutive effect of restricted common stock — — Weighted-average shares outstanding with dilution 18,914,059 18,391,283 Net loss per share: Basic $ (0.27 ) $ (0.86 ) Diluted $ (0.27 ) $ (0.86 )

Note 5 - Bank Acceptance Notes

Note 5 - Bank Acceptance Notes (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	December 31, December 31, Balance as of beginning of period $ 3,360 $ 92 Received from customers 1,985 7,030 Converted to cash (3,508 ) — Paid to suppliers (1,162 ) (3,756 ) Foreign exchange impact 229 (6 ) Balance as of end of period $ 904 $ 3,360

Note 6 - Inventories, Net (Tabl

Note 6 - Inventories, Net (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Inventory, Current [Table Text Block]	December 31, December 31, Finished goods $ 340 $ 470 Raw materials 829 1,812 Reserve (59 ) (435 ) Inventories, net $ 1,110 $ 1,847

Note 7 - Long-lived Assets (Tab

Note 7 - Long-lived Assets (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Property, Plant and Equipment [Table Text Block]	Estimated December 31, December 31, Land $ 2,332 $ 2,039 Buildings and improvements 15 - 40 5,066 5,007 Machinery and equipment 5 - 8 10,104 9,079 Furniture, fixtures and computers 3 - 5 3,006 2,693 Less: accumulated depreciation (14,522 ) (12,649 ) Subtotal 5,986 6,169 Construction-in-progress 2,742 1,805 Property, plant and equipment, net $ 8,728 $ 7,974

Note 10 - Accrued Liabilities (

Note 10 - Accrued Liabilities (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Accrued Liabilities [Table Text Block]	December 31, December 31, Product performance (see Note 11) $ — $ 21 Salary and wages 239 310 Accrued bonus 258 270 Professional fees 319 535 Restructuring severance and benefits (see Note 12) 87 269 Environmental (see Note 11) 57 57 Accrued franchise tax 90 66 Client deposits 1,157 922 Other 100 167 Total $ 2,307 $ 2,617

Note 12 - Cost Reduction Acti36

Note 12 - Cost Reduction Actions (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]	Balance at January 1, 2016 $ 268 Additions 256 Reductions (255 ) Balance at December 31, 2016 269 Additions 213 Reductions (272 ) Reversals (123 ) Balance at December 31, 2017 $ 87

Note 13 - Fair Value Measurem37

Note 13 - Fair Value Measurements (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Financial assets and liabilities Level 1 Level 2 Level 3 Money market funds(1) $ 6,688 $ — $ — Bank acceptance notes (2) 904 — — Non-recurring fair value measurements (3) — — 6,155 Total $ 7,592 $ — $ 6,155 Financial assets and liabilities Level 1 Level 2 Level 3 Money market funds(1) $ 7,429 $ — $ — Bank acceptance notes (2) 3,360 — — Non-recurring fair value measurements (3) — — 6,090 Total $ 10,789 $ — $ 6,090

Note 15 - Income Taxes (Tables)

Note 15 - Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]	Year Ended Year Ended Domestic $ (9,514 ) $ (3,070 ) Foreign 4,601 (12,800 ) Total $ (4,913 ) $ (15,870 )
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	Year Ended Year Ended Current income tax (benefit) expense U.S. federal $ — $ — Foreign — — State and local (106 ) — Total current income tax (benefit) expense (106 ) — Deferred income tax expense (benefit) U.S. federal 294 — Foreign — — State and local — — Total deferred income tax expense (benefit 294 — Total income tax expense (benefit) $ 188 $ —
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	Year Ended Year Ended Expected tax at U.S. statutory income tax rate 35.0 % 35.0 % U.S. state and local income taxes net of federal income tax effect 1.4 % 0.0 % Foreign rate differential 11.2 % (6.3 )% Foreign unremitted earnings (11.8 )% (22.5 )% Foreign tax credit (31.8 )% 0.0 % Stock option cancellations 0.0 % (0.3 )% Change in valuation allowance 49.4 % 1.6 % Withholding tax (14.2 )% 0.0 % Intra-period allocation 8.2 % 0.0 % Nondeductible Expenses (51.2 )% 0.0 % Other 0.0 % (7.5 )% Effective tax rate (3.8 )% 0.0 %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	Year Ended Year Ended Deferred tax assets: Accrued compensation $ 21 $ 79 Inventory 3 2 Bad debt reserves 28 45 Product performance accrual 12 20 Non-qualified stock option compensation 229 252 Operating loss carryforwards 9,646 10,298 Fixed assets 134 223 Other 40 149 Total deferred tax assets before valuation allowance $ 10,113 $ 11,068 Valuation allowance (8,647 ) (11,068 ) Total deferred tax assets $ 1,466 $ — Deferred tax liabilities: Withholding tax (698 ) — Foreign unremitted earnings (1,466 ) — Total deferred tax liabilities $ (2,164 ) $ — Total net deferred tax (liabilities) $ (698 ) $ —

Note 17 - Stock-based Compens39

Note 17 - Stock-based Compensation (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Share-based Compensation, Activity [Table Text Block]	Date Award Type Fair Value Shares Recipient 4 th Restricted Stock $ 0.28 385,716 Board of Directors 4 th Restricted Stock $ 0.20 78,752 Board of Directors 3 rd Restricted Stock $ 0.20 72,045 Board of Directors 2 nd Restricted Stock $ 0.21 70,450 Board of Directors 2 nd Restricted Stock $ 0.21 55,833 Board of Directors 1 st Restricted Stock $ 0.20 91,356 Board of Directors 1 st Restricted Stock $ 0.15 210,000 Board of Directors 4 th Restricted Stock $ 0.19 568,420 Board of Directors 4 th Restricted Stock $ 0.22 119,835 Board of Directors 3 rd Restricted Stock $ 0.29 80,272 Board of Directors 2 nd Restricted Stock $ 0.23 35,472 Board of Directors 2 nd Restricted Stock $ 0.30 100,096 Board of Directors 1 st Restricted Stock $ 0.37 85,136 Board of Directors
Share-based Compensation, Stock Options, Activity [Table Text Block]	Options Outstanding Number of Weighted- Weighted- Weighted- Aggregate Balance at January 1, 2016 1,501,331 $ 1.52 — $ 0.99 $ (1,937 ) Options granted — $ — — $ — $ — Exercised — $ — — $ — $ — Cancelled/forfeited (379,999 ) $ 1.52 — $ 0.99 $ 490 Balance at December 31, 2016 1,121,332 $ 1.52 — $ 0.99 $ (1,447 ) Options granted — $ — — $ — $ — Exercised — $ — — $ — $ — Cancelled/forfeited — $ — — $ — $ — Balance at December 31, 2017 1,121,332 $ 1.52 7.10 $ 0.99 $ (1,447 ) Vested and exercisable as of December 31, 2017 747,552 $ 1.52 7.10 $ 0.99 $ (964 ) Vested and exercisable as of December 31, 2017 and expected to vest thereafter 1,119,447 $ 1.52 7.10 $ 0.99 $ (1,444 )
Nonvested Restricted Stock Shares Activity [Table Text Block]	Unvested Number of Weighted-Average Unvested at January 1, 2016 45,805 $ 1.14 Granted 989,231 $ — Vested (455,165 ) $ 1.14 Cancelled (11,451 ) $ 1.14 Unvested at December 31, 2016 568,420 $ — Granted 964,152 $ — Vested (862,646 ) $ — Cancelled (284,210 ) $ — Unvested at December 31, 2017 385,716 $ — Expected to vest after December 31, 2017 385,716 $ —
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]	Years Ended 2017 2016 Selling, general and administrative expense $ 506 $ 541 Total stock-based compensation expense $ 506 $ 541

Note 18 - Reportable Segment 40

Note 18 - Reportable Segment and Geographical Information (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	Year Ended Year Ended Reconciliation of Adjusted EBITDA to Net Loss Adjusted EBITDA $ (6,016 ) $ (10,643 ) Depreciation (708 ) (1,714 ) Interest income, net 21 37 Income tax expense (188 ) — Other non-operating expenses — (124 ) Restructuring (90 ) (256 ) Stock-based compensation (506 ) (541 ) Proceeds received from insurance claim 2,703 — Impairment of assets held for sale 65 (1,739 ) Loss on disposal of fixed assets (382 ) (890 ) Net Loss $ (5,101 ) $ (15,870 )
Revenue from External Customers by Geographic Areas [Table Text Block]	Year Ended Year Ended Net Sales United States $ 243 $ 58 Spain 9,278 9,934 China 4,019 10,120 Total Net Sales $ 13,540 $ 20,112
Long-lived Assets by Geographic Areas [Table Text Block]	December 31, December 31, Long-Lived Assets United States $ 1,311 $ 1,448 Spain 7,141 5,990 China 276 535 Hong Kong — 1 Total Long-Lived Assets $ 8,728 $ 7,974

Schedule II - Valuation and Q41

Schedule II - Valuation and Qualifying Accounts (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Valuation and Qualifying Accounts Disclosure [Table Text Block]	Beginning Additions/ Currency Reductions Balance at Accounts Receivable Allowance for Doubtful Accounts: Year ended December 31, 2017 $ 2,640 (918 ) 134 (131 ) $ 1,725 Year ended December 31, 2016 $ 499 2,354 (130 ) (83 ) $ 2,640 Tax Valuation Allowance: Year ended December 31, 2017 $ 11,068 — — (2,421 ) $ 8,647 Year ended December 31, 2016 $ 8,880 2,188 — — $ 11,068 Inventory Reserve: Year ended December 31, 2017 $ 435 (287 ) 23 (112 ) $ 59 Year ended December 31, 2016 $ 696 (119 ) (31 ) (111 ) $ 435

Note 2 - Summary of Significa42

Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Inventory Valuation Reserves	$ 59	$ 435
Due To Factor, Current	$ 454	$ 381
Finished Goods, Product [Member] | Minimum [Member]
Inventory, Finished Goods, Shelf Life	180 days
Finished Goods, Product [Member] | Maximum [Member]
Inventory, Finished Goods, Shelf Life	270 days

Note 3 - Transaction With Zhe43

Note 3 - Transaction With Zhen Fa New Energy (U.S.) Co., Ltd. and Zhenfa Energy Group Co., Ltd. (Details Textual)	Dec. 15, 2014	Sep. 30, 2017
Zhenfa [Member] | Manufacturing Facility [Member]
Sales Service Agreement, Renewal Term		1 year
Zhenfa and Affiliates [Member] | STR Holdings, Inc. [Member]
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions		10.00%
Share Purchase Agreement [Member] | Zhenfa Purchaser (U.S.) [Member] | STR Holdings, Inc. [Member]
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions	51.00%

Note 4 - Loss Per Share (Detail

Note 4 - Loss Per Share (Details Textual) - shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,121,332	1,121,332	1,121,332

Note 4 - Loss Per Share - (Loss

Note 4 - Loss Per Share - (Loss) Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Net loss	$ (5,101)	$ (15,870)
Basic (in shares)	18,914,059	18,391,283
Diluted (in shares)	18,914,059	18,391,283
Basic (in dollars per share)	$ (0.27)	$ (0.86)
Basic (in dollars per share)	$ (0.27)	$ (0.86)

Note 5 - Bank Acceptance Note46

Note 5 - Bank Acceptance Notes (Details Textual)	12 Months Ended
	Dec. 31, 2017
Bankers Acceptance [Member]
Notes Receivable, Annual Effective Discount Rate on Bank Acceptance Notes	5.50%

Note 5 - Bank Acceptance Note47

Note 5 - Bank Acceptance Notes - Bank Acceptance Notes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Balance as of beginning of period	$ 3,360
Balance as of end of period	904	$ 3,360
Bankers Acceptance [Member]
Balance as of beginning of period	3,360	92
Received from customers	1,985	7,030
Converted to cash	(3,508)
Paid to suppliers	(1,162)	(3,756)
Foreign exchange impact	229	(6)
Balance as of end of period	$ 904	$ 3,360

Note 6 - Inventories, Net - Inv

Note 6 - Inventories, Net - Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Finished goods	$ 340	$ 470
Raw materials	829	1,812
Reserve	(59)	(435)
Inventories, net	$ 1,110	$ 1,847

Note 7 - Long-lived Assets (Det

Note 7 - Long-lived Assets (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Depreciation	$ 708	$ 1,714
Impairment of Long-Lived Assets to be Disposed of	(65)	$ 1,739
Other Nonoperating Income (Expense) [Member]
Impairment Gain (Loss) on Foreign Currency Fluctuation	$ 65

Note 7 - Long-lived Assets - Pr

Note 7 - Long-lived Assets - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Less: accumulated depreciation	$ (14,522)	$ (12,649)
Subtotal	5,986	6,169
Construction-in-progress	2,742	1,805
Property, plant and equipment, net	8,728	7,974
Land [Member]
Property, Plant and Equipment, Gross	2,332	2,039
Building and Building Improvements [Member]
Property, Plant and Equipment, Gross	$ 5,066	5,007
Building and Building Improvements [Member] | Minimum [Member]
Estimated Useful Lives (Year)	15 years
Building and Building Improvements [Member] | Maximum [Member]
Estimated Useful Lives (Year)	40 years
Machinery and Equipment [Member]
Property, Plant and Equipment, Gross	$ 10,104	9,079
Machinery and Equipment [Member] | Minimum [Member]
Estimated Useful Lives (Year)	5 years
Machinery and Equipment [Member] | Maximum [Member]
Estimated Useful Lives (Year)	8 years
Furniture and Fixtures [Member]
Property, Plant and Equipment, Gross	$ 3,006	$ 2,693
Furniture and Fixtures [Member] | Minimum [Member]
Estimated Useful Lives (Year)	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Estimated Useful Lives (Year)	5 years

Note 8 - Assets Held for Sale (

Note 8 - Assets Held for Sale (Details Textual) $ in Thousands, RM in Millions	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2016USD ($)	Jun. 30, 2016MYR (RM)	Dec. 31, 2017USD ($)	Dec. 31, 2016USD ($)
Proceeds from Sale of Property, Plant, and Equipment			$ 274	$ 82
Impairment of Long-Lived Assets to be Disposed of			(65)	$ 1,739
Other Nonoperating Income (Expense) [Member]
Impairment Gain (Loss) on Foreign Currency Fluctuation			65
Malaysia Facility [Member]
Proceeds from Sale of Property, Plant, and Equipment		RM 25	$ 6,155
Impairment of Long-Lived Assets to be Disposed of	$ 1,739

Note 9 - Leases (Details Textua

Note 9 - Leases (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Operating Leases, Future Minimum Payments Due	$ 3
Operating Leases, Rent Expense, Net	$ 87	$ 198

Note 10 - Accrued Liabilities -

Note 10 - Accrued Liabilities - Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Product performance (see Note 11)		$ 21
Salary and wages	239	310
Accrued bonus	258	270
Professional fees	319	535
Restructuring severance and benefits (see Note 12)	87	269
Environmental (see Note 11)	57	57
Accrued franchise tax	90	66
Client deposits	1,157	922
Other	100	167
Total	$ 2,307	$ 2,617

Note 11 - Commitments and Con54

Note 11 - Commitments and Contingencies (Details Textual) € in Millions	1 Months Ended
	Oct. 31, 2016EUR (€)	Dec. 31, 2017USD ($)	Dec. 31, 2016USD ($)
Loss Contingency Accrual		$ 0	$ 21,000
Solaria Energia y Medio Ambiente S.A. [Member] | Damages from Product Defects [Member]
Loss Contingency Accrual		0	0
Loss Contingency, Damages Sought, Value | €	€ 3.3
Phase II Environmental Site Assessment [Member]
Accrual for Environmental Loss Contingencies		$ 57,000	$ 57,000

Note 12 - Cost Reduction Acti55

Note 12 - Cost Reduction Actions (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Restructuring Reserve	$ 87	$ 269	$ 268
Facility Closing [Member] | Johor, Malaysia [Member] | Cost of Sales [Member]
Severance Costs	112	121
Facility Closing [Member] | Johor, Malaysia [Member] | Selling, General and Administrative Expenses [Member]
Severance Costs	$ 29	$ 108

Note 12 - Cost Reduction Acti56

Note 12 - Cost Reduction Actions - Schedule of Restructuring Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Balance	$ 269	$ 268
Additions	213	256
Reductions	(272)	(255)
Reversals	(123)
Balance	$ 87	$ 269

Note 13 - Fair Value Measurem57

Note 13 - Fair Value Measurements - Fair Value Measurements of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands		Dec. 31, 2017	Dec. 31, 2016
Fair Value, Inputs, Level 1 [Member]
Fair Value Assets		$ 7,592	$ 10,789
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value Assets	[1]
Fair Value, Inputs, Level 2 [Member]
Fair Value Assets
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value Assets	[1]
Fair Value, Inputs, Level 3 [Member]
Fair Value Assets		6,155	6,090
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value Assets	[1]	6,155	6,090
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value Assets	[2]	6,688	7,429
Money Market Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value Assets	[2]
Money Market Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Assets	[2]
Bankers Acceptance [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value Assets	[3]	904	3,360
Bankers Acceptance [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value Assets	[3]
Bankers Acceptance [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Assets	[3]
[1]	Included in assets held for sale on the Company's Consolidated Balance Sheets. Refer to Note 8 for further information.
[2]	Included in cash and cash equivalents on the Company's Consolidated Balance Sheets. The carrying amount of money market funds is a reasonable estimate of fair value due to the short-term maturity.
[3]	Refer to Note 5 for further information.

Note 14 - Factoring Arrangeme58

Note 14 - Factoring Arrangement (Details Textual) $ in Thousands, € in Millions	1 Months Ended
	Oct. 31, 2015	Dec. 31, 2017USD ($)	Dec. 31, 2017EUR (€)	Dec. 31, 2016USD ($)
Due To Factor, Current		$ 454		$ 381
Eurofactor Hispania S.A.U [Member] | Factoring Agreement to Sell with Recourse [Member]
Factoring Agreement Maximum Outstanding Amount		$ 1,800	€ 1.5
Written Notice Period Prior to End of Current Term	90 days
Eurofactor Hispania S.A.U [Member] | Factoring Agreement to Sell with Recourse [Member] | Euro Interbank Offered Rate (EURIBOR) [Member]
Loans Receivable, Basis Spread on Variable Rate	2.00%
Eurofactor Hispania S.A.U [Member] | Factoring Agreement to Sell with Recourse [Member] | London Interbank Offered Rate (LIBOR) [Member]
Loans Receivable, Basis Spread on Variable Rate	2.00%

Note 15 - Income Taxes (Details

Note 15 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		35.00%	35.00%
Income Tax Expense (Benefit) from Tax Cuts and Job Act		$ 698,000
Employee Service Share-based Compensation, Tax Benefit from Exercise of Stock Options			$ 0
Income Tax Expense (Benefit)		188,000
Excess Tax Benefit (Deficiency) on Vested Awards		0
Deferred Tax Liabilities, Undistributed Foreign Earnings Cumulative Translation Adjustment		404,000	0
Income Tax Expense (Benefit), Intraperiod Tax Allocation		(404,000)
Deferred Tax Assets, Valuation Allowance		8,647,000	11,068,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense		0	0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued		0	0
Unrecognized Tax Benefits		0	0
Unrecognized Tax Benefits that Would Impact Effective Tax Rate		0	$ 0
Amount of Unrecognized Tax Benefits, Expected		$ 0
Effective Income Tax Rate Reconciliation, Tax Holiday, Percent		4.90%	6.50%
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority			$ (8,252,000)
Earliest Tax Year [Member]
Open Tax Year		2,012
Latest Tax Year [Member]
Open Tax Year		2,016
QA Business [Member]
Discontinued Operation, Tax Effect of Adjustment to Prior Period Gain (Loss) on Disposal		$ 0	$ 43,000
Accounting Standards Update 2016-09 [Member]
Income Tax Expense (Benefit)		$ 0
Scenario, Forecast [Member]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%

Note 15 - Income Taxes - Loss F

Note 15 - Income Taxes - Loss From Continuing Operations Before Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Domestic	$ (9,514)	$ (3,070)
Foreign	4,601	(12,800)
Total	$ (4,913)	$ (15,870)

Note 15 - Income Taxes - Deferr

Note 15 - Income Taxes - Deferred and Current Income Tax Expense Benefit from Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
U.S. federal
Foreign
State and local	(106)
Total current income tax (benefit) expense	(106)
U.S. federal	294
Foreign
State and local
Total deferred income tax expense (benefit	294
Total income tax expense (benefit)	$ 188

Note 15 - Income Taxes - Effect

Note 15 - Income Taxes - Effective Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Expected tax at U.S. statutory income tax rate	35.00%	35.00%
U.S. state and local income taxes net of federal income tax effect	1.40%	0.00%
Foreign rate differential	11.20%	(6.30%)
Foreign unremitted earnings	(11.80%)	(22.50%)
Foreign tax credit	(31.80%)	0.00%
Stock option cancellations	0.00%	(0.30%)
Change in valuation allowance	49.40%	1.60%
Withholding tax	(14.20%)	0.00%
Intra-period allocation	(8.20%)	0.00%
Nondeductible Expenses	(51.20%)	0.00%
Other	0.00%	(7.50%)
Effective tax rate	(3.80%)	0.00%

Note 15 - Income Taxes - Effe63

Note 15 - Income Taxes - Effect of Temporary Differences (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Accrued compensation	$ 21	$ 79
Inventory	3	2
Bad debt reserves	28	45
Product performance accrual	12	20
Non-qualified stock option compensation	229	252
Operating loss carryforwards	9,646	10,298
Fixed assets	134	223
Other	40	149
Total deferred tax assets before valuation allowance	10,113	11,068
Valuation allowance	(8,647)	(11,068)
Total deferred tax assets	1,466
Withholding tax	(698)
Foreign unremitted earnings	(1,466)
Total deferred tax liabilities	(2,164)
Total net deferred tax (liabilities)	$ (698)

Note 16 - Stockholders' Equity

Note 16 - Stockholders' Equity (Details Textual)	12 Months Ended
	Dec. 31, 2017$ / sharesshares	Dec. 31, 2016$ / sharesshares	Dec. 31, 2015shares
Common Stock, Shares Authorized	200,000,000	200,000,000
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.01	$ 0.01
Common Stock, Shares, Issued	19,919,529	19,239,587
Common Stock, Shares, Outstanding	19,918,289	19,238,347
Common Stock, Voting Rights Number	1	1
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	385,716	568,420	45,805
Common Stock [Member]
Shares, Outstanding	19,532,573	18,669,927	18,214,762

Note 17 - Stock-based Compens65

Note 17 - Stock-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	May 14, 2013	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant		776,823
Share Price		$ 0.23
Proceeds from Stock Options Exercised		$ 0	$ 0
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized		$ 31
Employee Stock Option [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Employee Stock Option [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		1 year
Restricted Stock [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized		$ 99
Restricted Stock [Member] | Maximum [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		1 year
Equity Incentive Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	4,133,133

Note 17 - Stock-based Compens66

Note 17 - Stock-based Compensation - Share-based Compensation Award Activity (Details) - Board of Directors [Member] - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Restricted Stock with Exercise Price of $0.28 [Member] | Fourth Quarter of 2017 [Member]
Restricted Stock Exercise Price (in dollars per share)	$ 0.28
Restricted Stock Grants in Period (in shares)	385,716
Restricted Stock with Exercise Price of $0.20 [Member] | Fourth Quarter of 2017 [Member]
Restricted Stock Exercise Price (in dollars per share)	$ 0.20
Restricted Stock Grants in Period (in shares)	78,752
Restricted Stock with Exercise Price of $0.20 [Member] | Third Quarter of 2017 [Member]
Restricted Stock Exercise Price (in dollars per share)	$ 0.20
Restricted Stock Grants in Period (in shares)	72,045
First Issuance of Restricted Stock with Exercise Price of $0.21 [Member] | Second Quarter of 2017 [Member]
Restricted Stock Exercise Price (in dollars per share)	$ 0.21
Restricted Stock Grants in Period (in shares)	70,450
Second Issuance of Restricted Stock with Exercise Price of $0.21 [Member] | Second Quarter of 2017 [Member]
Restricted Stock Exercise Price (in dollars per share)	$ 0.21
Restricted Stock Grants in Period (in shares)	55,833
Restricted Stock with Exercise Price of $0.21 [Member] | First Quarter of 2017 [Member]
Restricted Stock Exercise Price (in dollars per share)	$ 0.20
Restricted Stock Grants in Period (in shares)	91,356
Restricted Stock with Exercise Price of $0.15 [Member] | First Quarter of 2017 [Member]
Restricted Stock Exercise Price (in dollars per share)	$ 0.15
Restricted Stock Grants in Period (in shares)	210,000
Restricted Stock with Exercise Price of $0.19 [Member] | Fourth Quarter 2016 [Member]
Restricted Stock Exercise Price (in dollars per share)		$ 0.19
Restricted Stock Grants in Period (in shares)		568,420
Restricted Stock with Exercise Price of $0.22 [Member] | Fourth Quarter 2016 [Member]
Restricted Stock Exercise Price (in dollars per share)		$ 0.22
Restricted Stock Grants in Period (in shares)		119,835
Restricted Stock with Exercise Price of $0.29 [Member] | Third Quarter 2016 [Member]
Restricted Stock Exercise Price (in dollars per share)		$ 0.29
Restricted Stock Grants in Period (in shares)		80,272
Restricted Stock with Exercise Price of $0.23 [Member] | Second Quarter 2016 [Member]
Restricted Stock Exercise Price (in dollars per share)		$ 0.23
Restricted Stock Grants in Period (in shares)		35,472
Restricted Stock with Exercise Price of $0.30 [Member] | Second Quarter 2016 [Member]
Restricted Stock Exercise Price (in dollars per share)		$ 0.30
Restricted Stock Grants in Period (in shares)		100,096
Restricted Stock with Exercise Price of $0.37 [Member] | First Quarter 2016 [Member]
Restricted Stock Exercise Price (in dollars per share)		$ 0.37
Restricted Stock Grants in Period (in shares)		85,136

Note 17 - Stock-based Compens67

Note 17 - Stock-based Compensation - Summary of Stock Options Activity (Details) - Employee Stock Option [Member] - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Options Outstanding, Number of shares (in shares)		1,121,332	1,501,331
Options Outstanding, Weighted–average exercise price (in dollars per share)		$ 1.52	$ 1.52
Options outstanding, Weighted–average Grant–date fair value (in dollars per share)		$ 0.99	$ 0.99	$ 0.99
Options outstanding, Aggregate intrinsic value	[1]	$ (1,447)	$ (1,447)	$ (1,937)
Options granted, Number of shares (in shares)
Options granted, Weighted–average exercise price (in dollars per share)
Options granted, Weighted–average Grant–date fair value (in dollars per share)
Options granted, Aggregate intrinsic value
Exercised, Number of shares (in shares)
Exercised, Weighted–average exercise price (in dollars per share)
Canceled/forfeited, Number of shares (in shares)			(379,999)
Canceled/forfeited, Weighted-average exercise price (in dollars per share)			$ 1.52
Cancelled/forfeited, Weighted–average Grant–date fair value (in dollars per share)			$ 0.99
Cancelled/forfeited, Aggregate intrinsic value			$ 490
Options Outstanding, Number of shares (in shares)		1,121,332	1,121,332	1,501,331
Options Outstanding, Weighted–average exercise price (in dollars per share)		$ 1.52	$ 1.52	$ 1.52
Options outstanding, Weighted–average remaining contractual term (Year)		7 years 36 days
Options outstanding, Aggregate intrinsic value	[1]	$ (1,447)	$ (1,447)	$ (1,937)
Vested and exercisable as of December 31, 2017, Number of shares (in shares)		747,552
Vested and exercisable as of December 31, 2017, Weighted–average exercise price (in dollars per share)		$ 1.52
Vested and exercisable as of December 31, 2017, Weighted–average remaining contractual term (Year)		7 years 36 days
Vested and exercisable as of December 31, 2017, Weighted–average Grant–date fair value (in dollars per share)		$ 0.99
Vested and exercisable as of December 31, 2017, Aggregate intrinsic value	[1]	$ (964)
Vested and exercisable as of December 31, 2017 and expected to vest thereafter, Number of shares (in shares)		1,119,447
Vested and exercisable as of December 31, 2017 and expected to vest thereafter, Weighted-average exercise price (in dollars per share)		$ 1.52
Vested and exercisable as of December 31, 2017 and expected to vest thereafter, Weighted–average remaining contractual term (Year)		7 years 36 days
Vested and exercisable as of December 31, 2017 and expected to vest thereafter, Weighted–average Grant–date fair value (in dollars per share)		$ 0.99
Vested and exercisable as of December 31, 2017 and expected to vest thereafter, Aggregate intrinsic value	[1]	$ (1,444)
[1]	The aggregate intrinsic value for December 31, 2017 and December 31, 2016 is calculated as the difference between the exercise price of the underlying awards and the closing stock price of $0.23 of the Company's common stock on December 31, 2017.

Note 17 - Stock-based Compens68

Note 17 - Stock-based Compensation - Summary of Restricted Common Stock Activity (Details) - Restricted Stock [Member] - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017
Unvested restricted shares, Number of shares (in shares)	568,420	45,805
Unvested, Weighted-average grant-date fair value (in dollars per share)		$ 1.14
Granted, Number of shares (in shares)	964,152	989,231
Restricted Stock Exercise Price (in dollars per share)
Vested, Number of shares (in shares)	(862,646)	(455,165)
Vested, Weighted-average grant-date fair value (in dollars per share)		$ 1.14
Cancelled, Number of shares (in shares)	(284,210)	(11,451)
Cancelled, Weighted-average grant-date fair value (in dollars per share)		$ 1.14
Unvested restricted shares, Number of shares (in shares)	385,716	568,420
Unvested, Weighted-average grant-date fair value (in dollars per share)
Expected to vest, Number of shares (in shares)	385,716	568,420	385,716
Expected to vest, Weighted-average grant-date fair value (in dollars per share)

Note 17 - Stock-based Compens69

Note 17 - Stock-based Compensation - Schedule of Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Total stock-based compensation expense	$ 506	$ 541
Selling, General and Administrative Expenses [Member]
Total stock-based compensation expense	$ 506	$ 541

Note 18 - Reportable Segment 70

Note 18 - Reportable Segment and Geographical Information (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2017USD ($)	Dec. 31, 2016USD ($)
Number of Products Sold by Entity	1
Number of Industries in Which Products are Sold	1
Number of Reportable Segments	1
Revenue, Net	$ 13,540	$ 20,112
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Number of Major Customers	2	2
Revenue, Net	$ 4,410	$ 6,590
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Number of Major Customers	2	2
Accounts Receivable, Gross, Current	$ 70	$ 597

Note 18 - Reportable Segment 71

Note 18 - Reportable Segment and Geographical Information - Schedule of Operations by Reportable Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Adjusted EBITDA	$ (6,016)	$ (10,643)
Depreciation	(708)	(1,714)
Interest income, net	21	37
Income tax expense	(188)
Other non-operating expenses		(124)
Restructuring	(90)	(256)
Stock-based compensation	(506)	(541)
Proceeds received from insurance claim	2,703
Impairment of assets held for sale	65	(1,739)
Loss on disposal of fixed assets	(382)	(890)
Net Loss	$ (5,101)	$ (15,870)

Note 18 - Reportable Segment 72

Note 18 - Reportable Segment and Geographical Information - Schedule of Operations by Geographic Area (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Net sales	$ 13,540	$ 20,112
UNITED STATES
Net sales	243	58
SPAIN
Net sales	9,278	9,934
CHINA
Net sales	$ 4,019	$ 10,120

Note 18 - Reportable Segment 73

Note 18 - Reportable Segment and Geographical Information - Schedule of Long-lived Assets by Geographic Area (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Long-Lived Assets	$ 8,728	$ 7,974
UNITED STATES
Long-Lived Assets	1,311	1,448
SPAIN
Long-Lived Assets	7,141	5,990
CHINA
Long-Lived Assets	276	535
HONG KONG
Long-Lived Assets		$ 1

Note 19 - Employee Benefit Pl74

Note 19 - Employee Benefit Plans (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Defined Contribution Plan, Cost	$ 106	$ 143

Note 20 - Related Parties (Deta

Note 20 - Related Parties (Details Textual) - Huhui Supply Agreement [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2017USD ($)	Dec. 31, 2015USD ($)	Dec. 31, 2014MWh
Related Party Transaction, Agreement Term			1 year
Related Party Transaction, Additional Agreement, Term			180 days
Related Party Transaction, Automatic Renewal Additional Term			1 year
Zhangjiagang Huhui Segpv Co Ltd [Member]
Related Party Transaction, Minimum Square Meters Transaction | MWh			535
Related Party Transaction, Deposit Percentage on Minimum Amount			10.00%
Related Party Transaction, Notice Period Prior to End of Current Term			90 days
Revenue from Related Parties	$ 0
Zhangjiagang Huhui Segpv Co Ltd [Member] | Accrued Liabilities [Member]
Related Party Transaction, Client Deposit Received from Related Party		$ 1,148

Note 21 - Subsequent Events (De

Note 21 - Subsequent Events (Details Textual) - Purchaser [Member] - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Jan. 16, 2018
Scenario, Forecast [Member]
Proceeds from Sale, Installation and Training	$ 1,750
Subsequent Event [Member]
Equipment Purchase and License Agreement, Amount to be Received Contingent upon Successful Completion of Certain Milestones		$ 6,000

Schedule II - Valuation and Q77

Schedule II - Valuation and Qualifying Accounts - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Allowance for Doubtful Accounts [Member]
Beginning Balance	$ 2,640	$ 499
Additions/ Charged to Expenses	(918)	2,354
Currency Impact	134	(130)
Reductions	(131)	(83)
Balance at End of Period	1,725	2,640
Tax Valuation Allowance [Member]
Beginning Balance	11,068	8,880
Additions/ Charged to Expenses		2,188
Currency Impact
Reductions	(2,421)
Balance at End of Period	8,647	11,068
Inventory Valuation Reserve [Member]
Beginning Balance	435	696
Additions/ Charged to Expenses	(287)	(119)
Currency Impact	23	(31)
Reductions	(112)	(111)
Balance at End of Period	$ 59	$ 435