Mocon (MOCO) 10-K 4 Mar 16 2015 FY Annual report Financial data

Document And Entity Information

Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2015	Feb. 26, 2016	Jun. 30, 2015
Entity Registrant Name	MOCON INC
Entity Central Index Key	67,279
Trading Symbol	moco
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)		5,792,126
Entity Public Float			$ 85,797,902
Document Type	10-K
Document Period End Date	Dec. 31, 2015
Document Fiscal Year Focus	2,015
Document Fiscal Period Focus	FY
Amendment Flag	false

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 6,344	$ 6,332
Trade accounts receivable, less allowance for doubtful accounts of $141 in 2015 and $181 in 2014	8,786	9,877
Other receivables	326	148
Inventories	7,790	8,705
Prepaid income taxes	559	771
Prepaid expenses, other	$ 897	902
Deferred income taxes		766
Total current assets	$ 24,702	27,501
Property, plant, and equipment, net of accumulated depreciation of $8,154 in 2015 and $7,874 in 2014	5,995	5,562
Goodwill	7,437	8,147
Intangible assets, net	8,986	10,831
Other assets	88	194
Deferred income taxes	211	274
Total assets	47,419	52,509
Current liabilities:
Current maturities of long-term notes payable	$ 65	983
Line of credit		3,300
Accounts payable	$ 3,033	4,402
Accrued compensation and related expenses	3,969	4,120
Other accrued expenses	811	731
Accrued product warranties	223	285
Dividends payable	637	631
Deferred revenue	862	997
Total current liabilities	9,600	$ 15,449
Line of credit	2,793
Notes payable	93	$ 307
Obligations to former employees	34	67
Deferred income taxes	1,227	1,856
Accrued income taxes	201	357
Total noncurrent liabilities	4,348	2,587
Total liabilities	$ 13,948	$ 18,036
Commitments and contingencies (Note 6)
Shareholders’ equity:
Capital stock – undesignated. Authorized 3,000,000 shares; none issued and outstanding in 2015 and 2014
Common stock – $0.10 par value. Authorized 22,000,000 shares; issued and outstanding 5,792,126 shares in 2015 and 5,732,505 shares in 2014	$ 579	$ 573
Additional paid-in capital	7,412	6,427
Retained earnings	30,700	30,265
Accumulated other comprehensive loss	(5,220)	(2,792)
Total shareholders’ equity	33,471	34,473
Total liabilities and shareholders' equity	$ 47,419	$ 52,509

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Trade accounts receivable, allowance for doubtful accounts	$ 141	$ 181
Property, plant and equipment, accumulated depreciation	$ 8,154	$ 7,874
Capital stock, authorized shares (in shares)	3,000,000	3,000,000
Capital stock, shares issued (in shares)	0	0
Capital stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, authorized (in shares)	22,000,000	22,000,000
Common stock, shares issued (in shares)	5,792,126	5,732,505
Common stock, shares outstanding (in shares)	5,792,126	5,732,505

Consolidated Statements of Inco

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue:
Products	$ 48,302	$ 50,694	$ 44,848
Services	9,956	10,658	9,126
Consulting	2,966	3,123	3,134
Total revenue	61,224	64,475	57,108
Cost of revenue:
Products	21,778	22,174	20,036
Services	4,205	4,188	3,936
Consulting	2,017	1,999	1,867
Total cost of revenue	28,000	28,361	25,839
Gross profit	33,224	36,114	31,269
Selling, general and administrative expenses	23,468	24,988	22,454
Research and development expenses	4,341	$ 4,191	$ 4,032
Realignment expenses	$ 1,049
Impairment of investment in affiliated company		$ 3,171
Operating income	$ 4,366	3,764	$ 4,783
Other income (expense), net	93	(306)	(359)
Income before income taxes	4,459	3,458	4,424
Income taxes	1,487	1,922	963
Net income	$ 2,972	$ 1,536	$ 3,461
Net income per common share:
Basic (in dollars per share)	$ 0.52	$ 0.27	$ 0.62
Diluted (in dollars per share)	$ 0.51	$ 0.27	$ 0.61
Basic (in shares)	5,753	5,665	5,545
Diluted (in shares)	5,818	5,754	5,640
Dividends declared, per share (in dollars per share)	$ 0.44	$ 0.44	$ 0.44

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net income	$ 2,972	$ 1,536	$ 3,461
Other comprehensive income (loss):
Cumulative translation adjustment	(2,429)	(3,405)	1,240
Comprehensive income (loss)	$ 543	$ (1,869)	$ 4,701

Consolidated Statements of Shar

Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2012	5,517,966
Balance at Dec. 31, 2012	$ 552	$ 3,739	$ 30,218	$ (627)	$ 33,882
Stock options exercised, net of surrendered shares (in shares)	112,231
Stock options exercised, net of surrendered shares	$ 11	761			772
Dividends declared ($0.42 per share)			$ (2,450)		(2,450)
Share-based compensation expense		512			512
Tax benefit on stock plans		$ 52			52
Net income			$ 3,461		3,461
Cumulative translation adjustment				$ 1,240	1,240
Balance (in shares) at Dec. 31, 2013	5,630,197
Balance at Dec. 31, 2013	$ 563	$ 5,064	$ 31,229	$ 613	37,469
Stock options exercised, net of surrendered shares (in shares)	102,308
Stock options exercised, net of surrendered shares	$ 10	692			702
Dividends declared ($0.42 per share)			$ (2,500)		(2,500)
Share-based compensation expense		591			591
Tax benefit on stock plans		$ 80			80
Net income			$ 1,536		1,536
Cumulative translation adjustment				$ (3,405)	$ (3,405)
Balance (in shares) at Dec. 31, 2014	5,732,505				5,732,505
Balance at Dec. 31, 2014	$ 573	$ 6,427	$ 30,265	$ (2,792)	$ 34,473
Stock options exercised, net of surrendered shares (in shares)	59,621
Stock options exercised, net of surrendered shares	$ 6	309			315
Dividends declared ($0.42 per share)			$ (2,536)		(2,536)
Share-based compensation expense		668			668
Tax benefit on stock plans		$ 8			8
Net income			$ 2,972		2,972
Cumulative translation adjustment				$ (2,429)	$ (2,429)
Balance (in shares) at Dec. 31, 2015	5,792,126				5,792,126
Balance at Dec. 31, 2015	$ 579	$ 7,412	$ 30,700	$ (5,220)	$ 33,471

Consolidated Statements of Sha7

Consolidated Statements of Shareholders' Equity (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Retained Earnings [Member]
Dividends declared, per share (in dollars per share)	$ 0.44	$ 0.44	$ 0.42
Dividends declared, per share (in dollars per share)	$ 0.44	$ 0.44	$ 0.44

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net income	$ 2,972	$ 1,536	$ 3,461
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation expense	668	591	512
Change in other receivable	(3)	186	26
Loss (gain) on disposition of long-term assets	16	34	(64)
Depreciation and amortization	$ 2,460	2,555	$ 2,433
Impairment of investment in affiliated company		3,171
Deferred income taxes	$ 457	(147)	$ (533)
Excess tax benefit from employee stock plans	(8)	(80)	(52)
Changes in operating assets and liabilities:
Trade accounts receivable	615	1,727	(1,678)
Other receivables	(194)	(68)	51
Inventories	725	(1,557)	(1,007)
Prepaid income taxes	162	(279)	(139)
Prepaid expenses	61	296	11
Accounts payable	(1,349)	519	292
Accrued compensation and related expenses	71	625	166
Other accrued expenses	84	(18)	(100)
Accrued product warranties	(49)	(32)	88
Accrued income taxes	(205)	211	(15)
Deferred revenue	(111)	400	144
Net cash provided by operating activities	$ 6,372	9,670	3,596
Cash flows from investing activities:
Proceeds from maturities of marketable securities		205	5,501
Purchases of property, plant and equipment	$ (1,617)	(1,349)	(1,513)
Proceeds from sale of property and equipment	56	154	161
Cash paid for intangible assets	(218)	(540)	(951)
Other	96	(3)	(3)
Net cash (used in) provided by investing activities	(1,683)	(1,533)	3,195
Cash flows from financing activities:
Proceeds from the line of credit	21,974	23,552	11,157
Payments on the line of credit	(23,065)	(24,507)	(12,233)
Payments on term notes payable and seller financed note payable	(704)	(2,709)	(2,490)
Proceeds from the exercise of stock options	315	702	772
Excess tax benefit from employee stock plans	8	80	52
Dividends paid	(2,530)	(2,489)	(2,409)
Net cash used in financing activities	(4,002)	(5,371)	(5,151)
Effect of exchange rate changes on cash and cash equivalents	(675)	(567)	78
Net increase in cash and cash equivalents	12	2,199	1,718
Beginning of year	6,332	4,133	2,415
End of year	6,344	6,332	4,133
Supplemental disclosures of cash flow information:
Cash paid during the year for income taxes	1,256	2,184	1,629
Cash paid during the year for interest	124	206	315
Supplemental schedule of noncash investing and financing activities:
Dividends accrued	637	631	619
Purchases of prepaid expenses, fixed assets and intangibles in accounts payable	(109)	(204)	$ (620)
Transfer of inventory to fixed assets	130	$ 18
Purchases of fixed assets in notes payable	162
Transfer of notes payable balance to line of credit	$ 585

Note 1 - Summary of Significant

Note 1 - Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]	(1 ) Summary of Significant Accounting Policies MOCON Inc. and its subsidiaries develops, manufacturers and markets measurement, analytical, monitoring and consulting products for customers in the barrier packaging, food, pharmaceutical, consumer products, industrial hygiene, air quality monitoring, oil and gas exploration and other industries throughout the world. We report our operating segments in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 280, Segment Reporting The following is a summary of the significant accounting policies used in the preparation of our consolidated financial statements. (a) Principles of Consolidation The consolidated financial statements include our accounts and our wholly-owned subsidiaries. All material intercompany balances and transactions have been eliminated in consolidation. (b) Foreign Currency Translation The financial statements for operations outside the United States are maintained in their local currencies. All assets and liabilities of our foreign subsidiaries are translated to United States dollars at period-end exchange rates, while revenue and expense accounts are translated at the average exchange rates during the period transactions occurred. Translation adjustments arising from the use of differing exchange rates are included in accumulated other comprehensive income (loss) in shareholders’ equity. Gains and losses on foreign currency transactions are included in other income (expense). (c) Cash and Cash Equivalents We consider all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents. Cash equivalents consist of short-term investments which are readily convertible to cash. (d) Trade Accounts Receivable Credit is granted to customers in the normal course of business. Receivables are recorded at original carrying value, which approximates fair value, less reserves for estimated uncollectible amounts and sales returns. We evaluate our estimates and assumptions on an ongoing basis using historical experience and other factors that management believes to be reasonable under the circumstances, including the current economic environment. When facts and circumstances dictate, we may need to adjust our estimates and assumptions. (e) Inventories Inventories are stated at the lower of cost or market. Cost is determined by the first-in, first-out (FIFO) method, and market represents the lower of replacement cost or estimated net realizable value. We record an estimate for excess and obsolete inventory which is based on historical usage and sales history. (f) Property, Plant and Equipment Property, plant and equipment are carried at cost. Depreciation and amortization are typically computed using the straight-line method. When assets are retired or otherwise disposed of, the cost and related accumulated depreciation are removed from the accounts, and any resulting gain or loss is recognized in income for the period. The cost of maintenance and repairs is charged to income as incurred and significant renewals and betterments are capitalized. The present value of capital lease obligations are classified as long-term debt and the related assets are included in property, plant and equipment. Amortization of equipment under capital leases is included in depreciation expense. (g) Goodwill and Other Intangible Assets As of December 31, 2015 and 2014 , we have recorded approximately $7.4 million and $8.1 million of goodwill, respectively. We test goodwill at least annually for impairment. We completed our annual impairment test of goodwill and concluded that no impairment existed as of December 31, 2015 and 2014 . Intangible assets consist of developed technology, customer relationships, patents, trademarks and other intangibles. Developed technology, patents, trademarks and other intangibles are carried at cost less accumulated amortization. Costs incurred in connection with applications for new patents are deferred until a final determination, with respect to the application, is made by appropriate regulatory agencies. Costs of patents abandoned are charged to income in the period of abandonment. Developed technologies and customer relationships are amortized over 10 years. Patent costs and trademarks are amortized over the lesser of 17 years or their estimated useful lives using the straight-line method. Tradenames are amortized over the lesser of 20 years or their estimated useful lives using the straight-line method. Other intangibles are amortized over 3 to 5 years. (h) Software Development Costs We capitalize certain software development costs related to software that is essential to the hardware within certain instruments we sell. Capitalized software development costs consist primarily of purchased materials and services. Software development costs are expensed as incurred until technological feasibility has been established, at which time future costs incurred are capitalized until the product is available for general release to the public. Based on our product development process, technological feasibility is generally established once product and detailed program designs have been completed, uncertainties related to high-risk development issues have been resolved through coding and testing, and we have established that the necessary skills, hardware, and software technology are available for production of the product. Once a software product is available for general release to the public, capitalized development costs associated with that product will begin to be amortized to cost of revenue over the product’s estimated economic life, using the greater of straight-line or a method that results in cost recognition in future periods that is consistent with the anticipated timing of product revenue recognition. Our capitalized software development costs are included in intangible assets on the consolidated balance sheets and are subject to an ongoing assessment of recoverability, which is impacted by estimates and assumptions of future revenues and expenses for these software products, as well as other factors such as changes in product technologies. Any portion of unamortized capitalized software development costs that are determined to be in excess of net realizable value will be expensed in the period such a determination is made. As of December 31, 2015 and 2014 approximately $1.1 million of software development costs are being amortized over 7 to 10 years. Amortization expense was approximately $108,000, $46,000 and $0 for the years ended December 31, 2015, 2014 and 2013, respectively. The Company capitalizes direct costs of materials and services used in the development and purchase of internal-use software. Amounts capitalized are amortized on a straight-line basis over a period of five years and are reported as a component of property, plant and equipment on the consolidated balance sheets. Depreciation expense was approximately $221,000, $213,000 and $172,000 for the years ended December 31, 2015, 2014 and 2013, respectively. (i) Impairment of Long-Lived Assets and Long-Lived Assets to be Disposed of We review our long-lived assets and certain identifiable intangibles for impairment annually or whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to future undiscounted net cash flows expected to be generated by the asset. If such assets are considered to be impaired, the impairment to be recognized is measured by the amount by which the carrying amount of the assets exceeds the fair value of the assets. Fair value is determined through various valuation techniques including, but not limited to, discounted cash flow models, quoted market values and third-party independent appraisals. Assets to be disposed of are reported at the lower of the carrying amount or fair value less costs to sell. During 2014 we identified an impairment indicator related to our investment in affiliated company, Luxcel Biosciences Limited (Luxcel) and concluded that the carrying value of Luxcel exceeded its fair value. The impairment was determined to be other-than-temporary. As a result, an impairment of $3.2 million, or 100 percent of the carrying value, was recognized within operating expenses of the consolidated statements of income in 2014. The investment in Luxcel has been reported in our unallocated-corporate reporting segment. Likewise, the impairment loss is allocated therein as well. (j) Warranty We have a liability recorded for estimated warranty claims at the time of sale. The amount of the liability is based on the trend in the historical ratio of claims to sales, the historical length of time between the sale and resulting claim, new product introductions and other factors. In the event we determine that its current or future product repair and replacement costs exceed our estimates, an adjustment to these reserves would be charged to earnings in the period such determination is made. (k) Use of Estimates The preparation of the consolidated financial statements, in accordance with generally accepted principles in the United States of America, requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Significant items subject to such estimates and assumptions include the useful lives of property, valuation of plant and equipment, valuation of investment in affiliated company, goodwill and intangible assets, inventory reserves, allowance for doubtful accounts, uncertain tax positions and warranty reserves. Actual results could differ from those estimates . (l) Income Taxes In the ordinary course of business there is inherent uncertainty in quantifying our income tax positions. We assess our income tax positions and record tax benefits for all years subject to examination based upon management’s evaluation of the facts, circumstances, and information available at the reporting dates. For those tax positions where it is more likely than not that a tax benefit will be sustained, we have recorded the largest amount of tax benefit with a greater than 50 percent likelihood of being realized upon ultimate settlement with a taxing authority that has full knowledge of all relevant information. For those income tax positions where it is not more likely than not that a tax benefit will be sustained, no tax benefit has been recognized in the financial statements. Potential accrued interest and penalties related to unrecognized tax benefits are recognized as a component of income tax expense. (m) Fair Value of Financial Instruments Our financial instruments are recorded in the consolidated balance sheets. The carrying amount for cash and cash equivalents, accounts receivable, line of credit, accounts payable and accrued liabilities approximates fair value due to the immediate or short-term maturity of these financial instruments. There are three levels within the fair value hierarchy that may be used to measure fair value: Level 1: Values based on unadjusted quoted prices in active markets that are accessible at the measurement date for identical assets or liabilities. Level 2: Values based on quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, or model-based valuation techniques for which all significant assumptions are observable in the market. Level 3: Values generated from model-based techniques that use significant assumptions not observable in the market. These unobservable assumptions reflect the Company’s own estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of option pricing models, discounted cash flow models and similar techniques. (n) Revenue Recognition We recognize revenue when it is realized or realizable and earned. We consider revenue realized or realizable when persuasive evidence of an arrangement exists, the product has been shipped or the services have been provided to the customer, title and risk of loss of products has passed to the customer, the sales price is fixed or determinable, and collectability is reasonably assured. The revenue recognition policy does not differ among the various product lines, the marketing venues, or various geographic destinations. We do not have distributors who stock our equipment. We do not offer rebates, price protection, or other similar incentives, and discounts when offered are recorded as a reduction in revenue. Revenue for service arrangements such as maintenance, repair, technical support are recognized either as the service is provided or ratably over the defined contractual period for service maintenance as noted in the paragraph below. Revenue for preventive maintenance agreements is recognized on a per visit basis and extended warranties on a straight-line basis over the life of the contracts. Unearned revenue related to these contracts is recorded in current liabilities in the consolidated balance sheets. We periodically have shipments of products to customers in which revenue is recognized under the accounting guidance related to multiple element arrangements. We allocate the overall arrangement fee to each element (both delivered and undelivered items) based on their relative selling price, as demonstrated by vendor – specific evidence (VSOE) or third –party evidence (TPE). Where VSOE or TPE is not available, revenue is allocated using an estimated selling price. Shipping and handling fees billed to customers are reported within revenue in the consolidated statements of income, and the related costs are included in cost of revenue in the consolidated statements of income. Revenue is recorded net of taxes collected from customers that are remitted to governmental authorities with the collected taxes recorded as current liabilities in the consolidated balance sheets. (o) Advertising Costs We incur advertising costs associated with trade shows, print advertising and brochures. Such costs are charged to expense as incurred. Advertising expense was approximately $646,000, $845,000 and $831,000 for the years ended December 31, 2015 , 2014 and 2013 , respectively. (p) Research and Development Costs Research and development costs associated with new products or enhancements are charged to expenses from operations as incurred. (q) Net Income Per Common Share Basic net income per common share is computed by dividing net income by the weighted average of common shares outstanding during the year. Diluted net income per share is computed by dividing net income by the weighted average of common and potential dilutive common shares outstanding during the year. (r) Share-Based Compensation Share-based compensation expense is calculated and recognized primarily on a straight-line basis over the vesting periods of the related share-based reward. We generally provide for the vesting of stock options in equal annual installments over a four-year period commencing on the one-year anniversary of the date of grant, or over a one-year period with one-fourth of the underlying shares vesting at the end of each three-month period following the grant date. The fair value of each option grant is estimated on the date of grant using the Black-Scholes option-pricing model (Black-Scholes). We use historical data to estimate the expected price volatility, expected option life and expected forfeiture rate. We base our estimate of expected volatility for awards granted in 2015 , 2014 and 2013 on daily historical trading data of its common stock for a period equivalent to the expected term of the award. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant for the estimated life of the option. We estimated the expected term consistent with historical exercise and cancellation activity of its previous share-based grants with a seven-year contractual term. Forfeitures were based on historical experience. The dividend yield is calculated based upon the dividend payments made during the prior four quarters as a percent of the average share price for that period. See Note 9 for additional information on share-based compensation.

Note 2 - Inventories

Note 2 - Inventories	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Inventory Disclosure [Text Block]	( 2 ) Inventories The major components of inventories at December 31, 2015 and 2014 were as follows (expressed in thousands): 2015 2014 Finished products $ 1,366 $ 1,628 Work-in-process 2,375 2,574 Raw materials 4,049 4,503 Total inventory $ 7,790 $ 8,705

Note 3 - Property, Plant and Eq

Note 3 - Property, Plant and Equipment	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	( 3 ) Property, Plant and Equipment Property, plant and equipment at December 31, 2015 and 2014 consisted of the following (dollar amounts expressed in thousands): Estimated 2015 2014 useful lives (years) Land $ 200 $ 200 — Buildings 786 786 27 Machinery and equipment 5,178 4,924 3 to 10 Office equipment 5,436 4,846 2 to 15 Leasehold improvements 2,125 2,186 1 to 15 Vehicles 424 494 3 to 5 Total property, plant and equipment 14,149 13,436 Less accumulated depreciation (8,154 ) (7,874 ) Net property, plant and equipment $ 5,995 $ 5,562 Depreciation of property, plant and equipment was approximately $1.3 million, $1.3 million and $1.2 million for the years ended December 31, 2015 , 2014 and 2013 , respectively.

Note 4 - Goodwill and Other Int

Note 4 - Goodwill and Other Intangible Assets	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Goodwill and Intangible Assets Disclosure [Text Block]	( 4 ) Goodwill and Other Intangible Assets Goodwill As of December 31, 2015 and 2014 , goodwill amounted to approximately $7.4 million and $8.1 million, respectively. We test goodwill for impairment annually at the reporting unit level using a fair value approach, in accordance with the provisions of ASC 350, Goodwill and Other 2015 and 2014 and determined there was no impairment. The changes in the carrying amount of goodwill for the year ended December 31, 2015 is as follows (expressed in thousands): Package Industrial Testing Permeation Analyzers & Other Total Balance as of December 31, 2013 $ 6,175 $ 2,249 $ 610 $ 9,034 Foreign currency translation (667 ) (220 ) - (887 ) Balance as of December 31, 2014 5,508 2,029 610 8,147 Foreign currency translation (541 ) (169 ) - (710 ) Balance as of December 31, 2015 $ 4,967 $ 1,860 $ 610 $ 7,437 Other Intangible Assets Other intangible assets (all of which are being amortized except projects in process) are as follows (expressed in thousands): As of December 31, 2015 Accumulated Cost Amortization Net Patents $ 1,844 $ (439 ) $ 1,405 Trademarks and trade names 3,321 (751 ) 2,570 Developed technology 6,121 (2,551 ) 3,570 Customer relationships 716 (298 ) 418 Internally developed software 1,085 (154 ) 931 Other intangibles 214 (122 ) 92 $ 13,301 $ (4,315 ) $ 8,986 As of December 31, 2014 Accumulated Cost Amortization Net Patents $ 1,719 $ (416 ) $ 1,303 Trademarks and trade names 3,676 (644 ) 3,032 Developed technology 6,843 (2,091 ) 4,752 Customer relationships 800 (245 ) 555 Internally developed software 1,085 (46 ) 1,039 Other intangibles 255 (105 ) 150 $ 14,378 $ (3,547 ) $ 10,831 Amortization expense was approximately $1.2 million, $1.3 million and $1.2 million for the years ended December 31, 2015 , 2014 and 2013 , respectively. Estimated amortization expense for the fiscal years ending December 31, 2016 to 2020 , and 2021 and thereafter is approximately $1.2 million, $1.1 million, $1.1 million, $1.1 million, $1.1 million and $2.8 million, respectively.

Note 5 - Warranties

Note 5 - Warranties	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Product Warranty Disclosure [Text Block]	( 5 ) Warranties We provide warranties for most of our products. Warranties are for periods ranging from ninety days to one year, and cover parts and labor for non-maintenance repairs, at our location. Operator abuse, improper use, alteration, damage resulting from accident, or failure to follow manufacturer’s directions are excluded from warranty coverage. Warranty expense is accrued at the time of sale based on historical claims experience. Warranty reserves are also accrued for special rework campaigns for known major product modifications. We also offer extended warranty service contracts for select products when the factory warranty period expires. Warranty provisions and claims for the years ended December 31, 2015 , 2014 and 2013 were as follows (expressed in thousands): Description Balance at Beginning of Year Warranty Provisions Warranty Claims Balance at End of Year Year ended December 31, 2015: Allowance for product warranties $ 285 288 350 $ 223 Year ended December 31, 2014: Allowance for product warranties $ 336 297 348 $ 285 Year ended December 31, 2013: Allowance for product warranties $ 241 442 347 $ 336

Note 6 - Commitments and Contin

Note 6 - Commitments and Contingencies	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	( 6 ) Commitments and Contingencies (a) Leases We lease our facilities and certain equipment pursuant to operating and capital leases. The facility leases expire at various times through October 2025 and require us to pay operating costs, including real estate taxes. Equipment under capital lease consists of service vehicles and a phone system, net of accumulated depreciation totaling approximately $195,000 and $58,000 for the years ended December 31, 2015 and 2014 , respectively. Rental expense for operating leases, including charges for operating costs, were approximately $1.1 million, $1.2 million and $1.1 million for years ended December 31, 2015 , 2014 and 2013 , respectively. The following is a schedule of future minimum lease payments, excluding charges for operating costs, as of December 31, 2015 (expressed in thousands): Year Ending December 31: Operating Leases Capital Leases 2016 $ 969 $ 67 2017 742 58 2018 644 37 2019 546 - 2020 518 - 2021 and thereafter 2,453 - $ 5,872 162 Less amounts representing interest 4 Present value of minimum lease commitments $ 158 (b) Severance Agreements We have severance agreements with our three executive officers and two of our divisional executives which provides for the payment to the officer of a lump sum amount upon the occurrence of certain termination events. On September 9, 2014, we entered into a Confidential Separation and Release Agreement (“Separation Agreement”) with Darrell B. Lee, the Chief Financial Officer at that time. In connection with the Separation Agreement, we recognized approximately $107,000 in expense during the year ended December 31, 2014 related to severance costs. As of December 31, 2014, approximately $72,000 is included in accrued compensation and related expenses on the consolidated balance sheets. This balance was paid in full in 2015. (c) Inventory Purchase Obligations At December 31, 2015 , we had approximately $6.7 million of purchase order commitments to our suppliers for delivery of inventory primarily during 2016 .

Note 7 - Realignment Expenses

Note 7 - Realignment Expenses	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Restructuring and Related Activities Disclosure [Text Block]	(7) Realignment Expenses During 2015, we implemented a Realignment Plan in order to simplify our business structure by reducing the number of legal entities and by combining the sales and marketing teams of our Package Testing and Permeation segments under common leadership. The realignment expenses incurred in 2015 were $1.0 million. Substantially all Realignment Plan activities were complete by December 31, 2015. The realignment plan included: ● The elimination of approximately 10 positions across all areas ● Significant costs associated with legal and professional fees of $414,000 ● Significant separation costs of $635,000 These expenses are recognized in the consolidated income statements as Realignment expenses. As of December 31, 2015, approximately $483,000 is included in Accrued compensation and approximately $137,000 is included in Accounts payable and related expenses on the consolidated balance sheets and is expected to be paid by December 31, 2016.

Note 8 - Income Taxes

Note 8 - Income Taxes	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Income Tax Disclosure [Text Block]	( 8 ) Income Taxes Income before income taxes was as follows (expressed in thousands): 2015 2014 2013 Income before income taxes: Domestic $ 2,314 $ 968 $ 3,072 Foreign 2,145 2,490 1,352 Total $ 4,459 $ 3,458 $ 4,424 The provision (benefit) for income taxes consists of the following (expressed in thousands): 2015 2014 2013 Current tax expense: Federal $ 1,208 $ 1,076 $ 806 State 48 95 80 Foreign 1,009 893 525 Total current expense 2,265 2,064 1,411 Deferred tax expense (benefit): Federal (508 ) 171 19 State (15 ) (27 ) (3 ) Foreign (255 ) (286 ) (464 ) Total deferred expense (benefit) (778 ) (142 ) (448 ) Provision for income taxes $ 1,487 $ 1,922 $ 963 The effective income tax rate varies from the federal statutory tax rate for the following reasons: Percentage of pretax income 2015 2014 2013 Tax at statutory federal income tax rate 34.0 % 34.0 % 34.0 % Increases (reductions) in taxes resulting from: State income taxes, net of federal benefit 0.8 0.4 1.2 Change in valuation allowance 0.9 32.8 (0.3 ) Domestic manufacturing deduction (1.8 ) (3.5 ) (2.3 ) Capitalized acquisition costs - - - Effect of foreign operations (2.3 ) (7.0 ) (8.5 ) Foreign dividend income - - - Tax-exempt interest - - - Changes in unrecognized tax benefits (2.6 ) - 0.9 Stock option compensation 2.9 3.0 1.8 Research credit (4.7 ) (4.3 ) (5.7 ) Other, including provision to return adjustments 6.3 (0.2 ) 0.7 Effective income tax rate 33.5 % 55.6 % 21.8 % The tax effect of significant temporary differences representing deferred tax assets and liabilities at December 31, 2015 and 2014 were as follows (expressed in thousands): 2015 2014 Deferred tax assets: Allowance for doubtful accounts $ 3 $ 22 Inventory items 576 421 Reserves and accruals 413 664 Compensation expense - stock options 274 224 Foreign tax credit carryover 170 325 R&D credit carryover 171 105 Impairment 1,123 1,135 Other 220 278 Subtotal 2,950 3,174 Less: Valuation allowance (1,294 ) (1,266 ) Total deferred tax assets 1,656 1,908 Deferred tax liabilities: Fixed assets (1,071 ) (881 ) Intangibles (1,601 ) (1,843 ) Total deferred tax liabilities (2,672 ) (2,724 ) Net deferred tax liability $ (1,016 ) $ (816 ) As of December 31, 2015, we have determined that establishing a valuation allowance against certain deferred tax assets is required since it is more likely than not that they will not be realized through generating taxable income of a proper character. This includes approximately $1.1 million from an unrealized capital loss carryover related to the impairment of an investment in an affiliated company, and approximately $171,000 from the carryover of state R&D tax credits which will begin to expire in 2028. However, we believe that it is more likely than not that the remainder of our deferred tax assets at December 31, 2015 will be realized, primarily through generation of future taxable income and tax; this includes approximately $170,000 of foreign tax credit carryover, which begins to expire in 2020 if unutilized. As of December 31, 2015, there was approximately $4.4 million of accumulated undistributed earnings remaining at the foreign subsidiaries. Management has deemed that the tax impact of undistributed earnings is impracticable to calculate. No deferred tax liability has been provided on the remaining foreign earnings. If they were remitted to the U.S., applicable U.S. Federal and foreign withholding taxes would be partially offset by available foreign tax credits. The Company plans to remit earnings in 2017 in a transaction giving rise to a U.S. tax benefit, as such no deferred taxes have been provided. A reconciliation of the beginning and ending amount of gross unrecognized tax benefits is as follows (expressed in thousands): 2015 2014 2013 Balance at January 1 $ 302 $ 264 $ 233 Additions based on tax positions related to the current year - 61 20 Additions based on tax positions related to the prior year - - 11 Reductions due to closing of statute of limitations (25 ) (23 ) - Reductions based on tax positions related to the prior year (90 ) - - Balance at December 31 $ 187 $ 302 $ 264 All unrecognized tax benefits, if recognized, would affect the effective tax rate on income before income taxes. The difference between this amount and the corresponding amount of gross unrecognized tax benefits related primarily to the deferred federal benefit for state income tax related amounts. We do not anticipate that the total amount of unrecognized tax benefits will change significantly in the next twelve months. We recognize accrued interest and penalties related to unrecognized tax benefits as a component of income tax expense. Total accrued interest and penalties amounted to approximately $13,000 and $55,000 on a gross basis at December 31, 2015 and 2014, respectively, and are excluded from the reconciliation of unrecognized tax benefits presented above. During 2015, $42,000 was released and recognized in income tax expense. We file income tax returns in the U.S. federal jurisdiction, several state jurisdictions, China, France, Germany, Denmark, Italy, Luxembourg, Spain and the Netherlands. With limited exceptions, we are no longer subject to income tax examinations by taxing authorities for taxable years before 2011. In early 2013, the State of Minnesota completed its examination of the four years 2008 through 2011 which resulted in an immaterial adjustment.

Note 9 - Share-based Compensati

Note 9 - Share-based Compensation	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	( 9 ) Share -Based Compensation As of December 31, 2015 , we have reserved 360,989 shares of common stock for options and other share-based incentive awards that are still available for grant under our 2006 and 2015 stock incentive plans, and 797,378 shares for options that have been granted under either our 1998, 2006 or 2015 stock incentive plans but have not yet been exercised. We issue new shares of common stock upon exercise of stock options. Under our share-based incentive plans, option exercise prices are 100 percent of the market value of the common stock at the date of grant, except if incentive options granted under the 1998, 2006 and 2015 plans were granted to persons owning more than 10 percent of our stock, in which case the option price would be 110 percent of the market value. Exercise periods are generally for seven years. The plans allow for the granting of nonqualified stock options. Upon the exercise of these nonqualified options, we may realize a compensation deduction allowable for income tax purposes. The after-tax effect of these tax deductions is included in the accompanying consolidated financial statements as an addition to additional paid-in capital. Share-based compensation expense recognized in the consolidated financial statements for 2015 , 2014 and 2013 was as shown below (expressed in thousands): Years Ended December 31, 2015 2014 2013 Total cost of share-based compensation $ 668 $ 591 $ 512 Amount of income tax benefit recognized in earnings (39 ) (104 ) (100 ) Amount charged against net income $ 629 $ 487 $ 412 The following assumptions were used to estimate the fair value of options granted during 2015 , 2014 and 2013 using the Black-Scholes model: 2015 2014 2013 Dividend yield 2.8 % 3.4 % 2.7 % Expected volatility 32 % 37 % 42 % Risk-free interest rate 1.6 % 1.7 % 1.0 % Expected lives (in years) 6.8 6.4 5.6 Information regarding our stock option plans for 2013 , 2014 and 2015 is as follows: Weighted Weighted Average Aggregate Average Remaining Intrinsic Exercise Contractual Value Shares Price Term (in thousands) Options outstanding, December 31, 2012 838,662 $ 11.84 3.9 $ 2,346 Granted 10,000 14.16 Exercised (206,675 ) 10.23 Cancelled or expired (19,687 ) 14.12 Options outstanding, December 31, 2013 622,300 12.34 3.7 2,175 Granted 298,500 16.60 Exercised (175,800 ) 10.97 Cancelled or expired (22,325 ) 15.04 Options outstanding, December 31, 2014 722,675 14.35 4.6 2,555 Granted 206,300 14.30 Exercised (115,922 ) 10.24 Cancelled or expired (15,675 ) 15.51 Options outstanding, December 31, 2015 797,378 $ 14.91 4.7 $ 453 Options exercisable, December 31, 2015 507,978 $ 14.90 3.6 $ 380 The weighted average grant date fair value based on the Black-Scholes model for options granted in 2015 , 2014 and 2013 was $3.40, $4.28 and $4.45, respectively. The total intrinsic value of options exercised was $585,000, $979,000 and $824,000 during the years ended December 31, 2015 , 2014 and 2013 , respectively. The aggregate intrinsic values are based upon the closing price of our common stock on the last day of the respective fiscal year. A summary of the status of our unvested option shares as of December 31, 2015 is as follows: Weighted Average Number of Grant Date Shares Fair Value Unvested at December 31, 2014 227,400 $ 4.35 Options granted 206,300 3.40 Options cancelled (12,825 ) 3.71 Options vested (131,475 ) 4.79 Unvested at December 31, 2015 289,400 $ 3.48 As of December 31, 2015 , there was $955,000 of total unrecognized compensation cost related to unvested share-based compensation granted under our plans. That cost is expected to be recognized over a weighted-average period of 1.9 years. The total fair value of option shares vested during the years 2015 , 2014 and 2013 was $630,000, $550,000 and $513,000, respectively. Employee Stock Purchase Plan On May 27, 2015, our shareholders approved the 2015 Employee Stock Purchase Plan (“Purchase Plan”) whereby 50,000 shares of common stock will be available for future sale. The first offering period will begin January 1, 2016 and provides participants an option to purchase shares of our common stock at a price per share equal to 85 percent of the value of the share of common stock at the beginning or end of the offering period (whichever is less).

Note 10 - Other Income (Expense

Note 10 - Other Income (Expense), Net	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Other Income and Other Expense Disclosure [Text Block]	( 10 ) Other Income (Expense), net Other income (expense), net for 2015 , 2014 and 2013 was as follows (expressed in thousands): Years Ended December 31, 2015 2014 2013 Interest income $ 2 $ 3 $ 22 Interest expense (119 ) (186 ) (299 ) Foreign currency exchange gain (loss) 209 (136 ) (83 ) Other 1 13 1 Total other income (expense), net $ 93 $ (306 ) $ (359 )

Note 11 - Net Income Per Common

Note 11 - Net Income Per Common Share	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Earnings Per Share [Text Block]	(1 1 ) Net Income per Common Share The following table presents a reconciliation of the denominators used in the computation of net income per common share – basic and net income per common share – diluted for the years ended December 31, 2015 , 2014 and 2013 (expressed in thousands): Years Ended December 31, 2015 2014 2013 Weighted shares of common stock outstanding - basic 5,753 5,665 5,545 Dilutive impact of share-based awards 65 89 95 Weighted shares of common stock outstanding - diluted 5,818 5,754 5,640 Outstanding stock options totaling 610,153, 147,100 and 251,150 options for years ended December 31, 2015 , 2014 and 2013 , respectively, were excluded from the net income per share calculation because the shares would be anti-dilutive.

Note 12 - Savings and Retiremen

Note 12 - Savings and Retirement Plan	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Pension and Other Postretirement Benefits Disclosure [Text Block]	(1 2 ) Savings and Retirement Plan We have a 401(k) Savings and Retirement Plan covering our U.S. employees and several defined contribution pension plans covering certain employees outside of the U.S. We provide matching contributions in accordance with the plans. Our contributions to these plans in 2015 , 2014 and 2013 were approximately $925,000, $882,000 and $886,000, respectively.

Note 13 - Debt

Note 13 - Debt	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Debt Disclosure [Text Block]	(13 ) Debt Long-term notes payable consists of the following (expressed in thousands): December 31, 2015 December 31, 2014 Note payable to bank, which was paid off on August 26, 2015 $ - $ 1,166 Seller financed note payable (Seller Note), which was paid off on April 2, 2015 - 95 Capital leases (Note 6) 158 29 Total long-term notes payable 158 1,290 Less current portion of long-term notes payable 65 983 Total long-term notes payable $ 93 $ 307 In the U.S., we have a $10.0 million secured line of credit which was amended on August 28, 2015 with a maturity date of August 26, 2018. As of December 31, 2015 the outstanding balance is classified as a noncurrent liability. The amendment increased the principal amount from $6.0 million to $10.0 million, modified the maturity date, decreased the interest rate from 1.75 basis plus one-month LIBOR to 1.50 basis plus one-month LIBOR and revised certain debt covenants. Interest is charged monthly at one-month LIBOR (0.24 percent) plus 1.50 basis points which totaled 1.74 percent and 2.00 percent at December 31, 2015 and 2014, respectively. The line of credit is secured by our assets with the exception of the number of Dansensor shares of outstanding stock that exceeds 65 percent of the total shares outstanding. We had $2.8 million and $3.3 million outstanding on the line of credit at December 31, 2015 and December 31, 2014. Additionally, Dansensor has a DKK 10 million (approximately $1.5 million) available line of credit of which no amount was outstanding as of December 31, 2015 and 2014 . Outstanding borrowings are charged interest at a fixed rate of 4.35 percent per year. We are subject to various financial and restrictive covenants in the bank Credit Agreement, including maintaining certain financial ratios and limits on incurring additional indebtedness, acquisitions, making capital and lease expenditures and making share repurchases. We are in compliance with our debt covenants at December 31, 2015 and expect to remain in compliance through 2016 . As of December 31, 2015 , the future minimum principal payments of the long-term notes payable for each fiscal year thereafter is as follows (expressed in thousands): 2016 $ 65 2017 56 2018 37 Total $ 158

Note 14 - Business Segments

Note 14 - Business Segments	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	(14) Business Segments We have four operating segments, structured by differences in products and services, that are regularly reviewed by our chief operating decision maker to make decisions about allocating resources and assessing segment performance. The segment performance is evaluated at segment operating income which is defined as gross profit less selling, general and administrative expenses and research and development expenses. General corporate expenses, including costs associated with various support functions such as human resources, information technology, finance and accounting, and general and administrative costs, are allocated to the reportable segments primarily on the basis of segment gross margin. Our four operating segments have been aggregated into three reportable segments based on the authoritative guidance. We aggregated our Other Products and Services operating segment into the Industrial Analyzers Products and Services segment based on minimal business activity and materiality. The Package Testing segment provides customers with the ability to assess package performance, shelf-life, package improvement, cost reduction, sustainability and product safety using Modified Atmosphere Packaging and other technologies. The Permeation segment includes instruments and services that measure the rate at which various gases and vapors permeate through a variety of materials. The Industrial Analyzers and Other segment includes advanced gas analysis and monitoring instrumentation used in applications such as oil and gas exploration, beverage and specialty gas analysis, industrial hygiene and safety, food safety, environmental air monitoring and homeland security. The accounting policies of the reportable segments are the same as those described in Note 1. There were no significant intersegment revenue for the years ended December 31, 2015 , 2014 and 2013 . Segment information for the years ended December 31, 2015 , 2014 and 2013 are as follows (expressed in thousands): Package Testing Permeation Industrial Analyzers and Other Unallocated - Corporate Consolidated December 31, 2015: Revenue $ 26,583 $ 25,069 $ 9,572 $ - $ 61,224 Gross profit 14,445 14,415 4,364 - 33,224 Income/(Loss) before income taxes 2,703 4,527 (1,722 ) (1,049 ) 4,459 Capital expenditures 951 517 149 - 1,617 Depreciation and amortization 1,545 789 126 - 2,460 Interest expense 119 - - - 119 Intangible assets, net 7,053 1,869 64 - 8,986 December 31, 2014: Revenue $ 28,071 $ 23,380 $ 13,024 $ - $ 64,475 Gross profit 13,850 14,985 7,279 - 36,114 Income/(Loss) before income taxes 1,515 4,296 818 (3,171 ) 3,458 Capital expenditures 630 653 132 - 1,415 Depreciation and amortization 1,715 730 110 - 2,555 Interest expense 186 - - - 186 Intangible assets, net 8,781 1,954 96 - 10,831 December 31, 2013: Revenue $ 25,241 $ 21,395 $ 10,472 $ - $ 57,108 Gross profit 11,919 13,438 5,912 - 31,269 Income/(Loss) before income taxes 679 3,338 407 - 4,424 Capital expenditures 667 970 167 - 1,804 Depreciation and amortization 1,689 629 115 - 2,433 Interest expense 299 - - - 299 Intangible assets, net 10,986 1,656 76 - 12,718 Total assets as of December 31, 2015 $ 27,918 $ 15,648 $ 3,853 $ - $ 47,419 Total assets as of December 31, 2014 $ 25,633 $ 21,071 $ 5,805 $ - $ 52,509 Property, Plant and Equipment, net of accumulated depreciation, by geographic location as of December 31, 2015 , 2014 and 2013 is as follows (expressed in thousands): 2015 2014 2013 United States $ 4,232 $ 4,010 $ 4,035 Foreign countries: Germany 285 336 309 Denmark 1,353 1,020 1,049 Other European counties 125 196 334 Total foreign countries 1,763 1,552 1,692 Consolidated total $ 5,995 $ 5,562 $ 5,727 The following table summarizes total revenue, based upon the region to which revenue to external customers were made for fiscal years 2015 , 2014 and 2013 (expressed in thousands). Years Ended December 31, 2015 2014 2013 Domestic revenue $ 20,872 $ 19,836 $ 19,052 Foreign revenue: Europe 23,673 26,324 23,966 Asia 12,762 14,166 10,481 Other 3,917 4,149 3,609 Total foreign revenue 40,352 44,639 38,056 Total revenue $ 61,224 $ 64,475 $ 57,108 Our products are marketed outside of North America through our offices in foreign locations and various independent representatives.

Note 15 - Subsequent Event

Note 15 - Subsequent Event	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Subsequent Events [Text Block]	(15) Subsequent Event On January 14, 2016, the Company entered into an Asset Purchase Agreement (the “Agreement”) with Volatile Analysis Corporation (“VAC”) pursuant to which the Company agreed to sell to VAC the assets exclusively used in its business of providing equipment and analytical chemistry services and related formulation, product development, and consulting services, primarily focused on identification of odors and aromas. This business was conducted from the Company’s Round Rock, Texas facility. The purchase and sale of the assets is expected to be finalized and closed during the first half of 2016, at an aggregate purchase price of $1.3 million. The pending sale of this business does not qualify for discontinued operations or available for sale treatment since it does not represent a strategic shift that had or will have a major effect on the Company’s operations and financial results.

Schedule II - Valuation and Qua

Schedule II - Valuation and Qualifying Accounts	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]	II - Valuation and Qualifying Accounts All other schedules are omitted as the required information is inapplicable or the information is presented in our consolidated financial statements or related notes. (expressed in thousands): Description Balance at Beginning of Year Charged to Costs and Expenses Charged to Other Accounts Deductions Balance at End of Year Year ended December 31, 2015: Allowance for doubtful accounts and returns $ 181 (28 ) - 12 $ 141 Year ended December 31, 2014: Allowance for doubtful accounts and returns $ 316 (85 ) - 50 $ 181 Year ended December 31, 2013: Allowance for doubtful accounts and returns $ 304 156 - 144 $ 316

Significant Accounting Policies

Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2015
Accounting Policies [Abstract]
Consolidation, Policy [Policy Text Block]	(a) Principles of Consolidation The consolidated financial statements include our accounts and our wholly-owned subsidiaries. All material intercompany balances and transactions have been eliminated in consolidation.
Foreign Currency Transactions and Translations Policy [Policy Text Block]	(b) Foreign Currency Translation The financial statements for operations outside the United States are maintained in their local currencies. All assets and liabilities of our foreign subsidiaries are translated to United States dollars at period-end exchange rates, while revenue and expense accounts are translated at the average exchange rates during the period transactions occurred. Translation adjustments arising from the use of differing exchange rates are included in accumulated other comprehensive income (loss) in shareholders’ equity. Gains and losses on foreign currency transactions are included in other income (expense).
Cash and Cash Equivalents, Policy [Policy Text Block]	(c) Cash and Cash Equivalents We consider all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents. Cash equivalents consist of short-term investments which are readily convertible to cash.
Receivables, Policy [Policy Text Block]	(d) Trade Accounts Receivable Credit is granted to customers in the normal course of business. Receivables are recorded at original carrying value, which approximates fair value, less reserves for estimated uncollectible amounts and sales returns. We evaluate our estimates and assumptions on an ongoing basis using historical experience and other factors that management believes to be reasonable under the circumstances, including the current economic environment. When facts and circumstances dictate, we may need to adjust our estimates and assumptions.
Inventory, Policy [Policy Text Block]	(e) Inventories Inventories are stated at the lower of cost or market. Cost is determined by the first-in, first-out (FIFO) method, and market represents the lower of replacement cost or estimated net realizable value. We record an estimate for excess and obsolete inventory which is based on historical usage and sales history.
Property, Plant and Equipment, Policy [Policy Text Block]	(f) Property, Plant and Equipment Property, plant and equipment are carried at cost. Depreciation and amortization are typically computed using the straight-line method. When assets are retired or otherwise disposed of, the cost and related accumulated depreciation are removed from the accounts, and any resulting gain or loss is recognized in income for the period. The cost of maintenance and repairs is charged to income as incurred and significant renewals and betterments are capitalized. The present value of capital lease obligations are classified as long-term debt and the related assets are included in property, plant and equipment. Amortization of equipment under capital leases is included in depreciation expense.
Goodwill and Intangible Assets, Policy [Policy Text Block]	(g) Goodwill and Other Intangible Assets As of December 31, 2015 and 2014 , we have recorded approximately $7.4 million and $8.1 million of goodwill, respectively. We test goodwill at least annually for impairment. We completed our annual impairment test of goodwill and concluded that no impairment existed as of December 31, 2015 and 2014 . Intangible assets consist of developed technology, customer relationships, patents, trademarks and other intangibles. Developed technology, patents, trademarks and other intangibles are carried at cost less accumulated amortization. Costs incurred in connection with applications for new patents are deferred until a final determination, with respect to the application, is made by appropriate regulatory agencies. Costs of patents abandoned are charged to income in the period of abandonment. Developed technologies and customer relationships are amortized over 10 years. Patent costs and trademarks are amortized over the lesser of 17 years or their estimated useful lives using the straight-line method. Tradenames are amortized over the lesser of 20 years or their estimated useful lives using the straight-line method. Other intangibles are amortized over 3 to 5 years.
Software to be Sold, Leased, or Otherwise Marketed, Policy [Policy Text Block]	(h) Software Development Costs We capitalize certain software development costs related to software that is essential to the hardware within certain instruments we sell. Capitalized software development costs consist primarily of purchased materials and services. Software development costs are expensed as incurred until technological feasibility has been established, at which time future costs incurred are capitalized until the product is available for general release to the public. Based on our product development process, technological feasibility is generally established once product and detailed program designs have been completed, uncertainties related to high-risk development issues have been resolved through coding and testing, and we have established that the necessary skills, hardware, and software technology are available for production of the product. Once a software product is available for general release to the public, capitalized development costs associated with that product will begin to be amortized to cost of revenue over the product’s estimated economic life, using the greater of straight-line or a method that results in cost recognition in future periods that is consistent with the anticipated timing of product revenue recognition. Our capitalized software development costs are included in intangible assets on the consolidated balance sheets and are subject to an ongoing assessment of recoverability, which is impacted by estimates and assumptions of future revenues and expenses for these software products, as well as other factors such as changes in product technologies. Any portion of unamortized capitalized software development costs that are determined to be in excess of net realizable value will be expensed in the period such a determination is made. As of December 31, 2015 and 2014 approximately $1.1 million of software development costs are being amortized over 7 to 10 years. Amortization expense was approximately $108,000, $46,000 and $0 for the years ended December 31, 2015, 2014 and 2013, respectively. The Company capitalizes direct costs of materials and services used in the development and purchase of internal-use software. Amounts capitalized are amortized on a straight-line basis over a period of five years and are reported as a component of property, plant and equipment on the consolidated balance sheets. Depreciation expense was approximately $221,000, $213,000 and $172,000 for the years ended December 31, 2015, 2014 and 2013, respectively.
Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]	(i) Impairment of Long-Lived Assets and Long-Lived Assets to be Disposed of We review our long-lived assets and certain identifiable intangibles for impairment annually or whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to future undiscounted net cash flows expected to be generated by the asset. If such assets are considered to be impaired, the impairment to be recognized is measured by the amount by which the carrying amount of the assets exceeds the fair value of the assets. Fair value is determined through various valuation techniques including, but not limited to, discounted cash flow models, quoted market values and third-party independent appraisals. Assets to be disposed of are reported at the lower of the carrying amount or fair value less costs to sell. During 2014 we identified an impairment indicator related to our investment in affiliated company, Luxcel Biosciences Limited (Luxcel) and concluded that the carrying value of Luxcel exceeded its fair value. The impairment was determined to be other-than-temporary. As a result, an impairment of $3.2 million, or 100 percent of the carrying value, was recognized within operating expenses of the consolidated statements of income in 2014. The investment in Luxcel has been reported in our unallocated-corporate reporting segment. Likewise, the impairment loss is allocated therein as well.
Standard Product Warranty, Policy [Policy Text Block]	(j) Warranty We have a liability recorded for estimated warranty claims at the time of sale. The amount of the liability is based on the trend in the historical ratio of claims to sales, the historical length of time between the sale and resulting claim, new product introductions and other factors. In the event we determine that its current or future product repair and replacement costs exceed our estimates, an adjustment to these reserves would be charged to earnings in the period such determination is made.
Use of Estimates, Policy [Policy Text Block]	(k) Use of Estimates The preparation of the consolidated financial statements, in accordance with generally accepted principles in the United States of America, requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Significant items subject to such estimates and assumptions include the useful lives of property, valuation of plant and equipment, valuation of investment in affiliated company, goodwill and intangible assets, inventory reserves, allowance for doubtful accounts, uncertain tax positions and warranty reserves. Actual results could differ from those estimates .
Income Tax, Policy [Policy Text Block]	(l) Income Taxes In the ordinary course of business there is inherent uncertainty in quantifying our income tax positions. We assess our income tax positions and record tax benefits for all years subject to examination based upon management’s evaluation of the facts, circumstances, and information available at the reporting dates. For those tax positions where it is more likely than not that a tax benefit will be sustained, we have recorded the largest amount of tax benefit with a greater than 50 percent likelihood of being realized upon ultimate settlement with a taxing authority that has full knowledge of all relevant information. For those income tax positions where it is not more likely than not that a tax benefit will be sustained, no tax benefit has been recognized in the financial statements. Potential accrued interest and penalties related to unrecognized tax benefits are recognized as a component of income tax expense.
Fair Value of Financial Instruments, Policy [Policy Text Block]	(m) Fair Value of Financial Instruments Our financial instruments are recorded in the consolidated balance sheets. The carrying amount for cash and cash equivalents, accounts receivable, line of credit, accounts payable and accrued liabilities approximates fair value due to the immediate or short-term maturity of these financial instruments. There are three levels within the fair value hierarchy that may be used to measure fair value: Level 1: Values based on unadjusted quoted prices in active markets that are accessible at the measurement date for identical assets or liabilities. Level 2: Values based on quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, or model-based valuation techniques for which all significant assumptions are observable in the market. Level 3: Values generated from model-based techniques that use significant assumptions not observable in the market. These unobservable assumptions reflect the Company’s own estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of option pricing models, discounted cash flow models and similar techniques.
Revenue Recognition, Policy [Policy Text Block]	(n) Revenue Recognition We recognize revenue when it is realized or realizable and earned. We consider revenue realized or realizable when persuasive evidence of an arrangement exists, the product has been shipped or the services have been provided to the customer, title and risk of loss of products has passed to the customer, the sales price is fixed or determinable, and collectability is reasonably assured. The revenue recognition policy does not differ among the various product lines, the marketing venues, or various geographic destinations. We do not have distributors who stock our equipment. We do not offer rebates, price protection, or other similar incentives, and discounts when offered are recorded as a reduction in revenue. Revenue for service arrangements such as maintenance, repair, technical support are recognized either as the service is provided or ratably over the defined contractual period for service maintenance as noted in the paragraph below. Revenue for preventive maintenance agreements is recognized on a per visit basis and extended warranties on a straight-line basis over the life of the contracts. Unearned revenue related to these contracts is recorded in current liabilities in the consolidated balance sheets. We periodically have shipments of products to customers in which revenue is recognized under the accounting guidance related to multiple element arrangements. We allocate the overall arrangement fee to each element (both delivered and undelivered items) based on their relative selling price, as demonstrated by vendor – specific evidence (VSOE) or third –party evidence (TPE). Where VSOE or TPE is not available, revenue is allocated using an estimated selling price. Shipping and handling fees billed to customers are reported within revenue in the consolidated statements of income, and the related costs are included in cost of revenue in the consolidated statements of income. Revenue is recorded net of taxes collected from customers that are remitted to governmental authorities with the collected taxes recorded as current liabilities in the consolidated balance sheets.
Advertising Costs, Policy [Policy Text Block]	(o) Advertising Costs We incur advertising costs associated with trade shows, print advertising and brochures. Such costs are charged to expense as incurred. Advertising expense was approximately $646,000, $845,000 and $831,000 for the years ended December 31, 2015 , 2014 and 2013 , respectively.
Research, Development, and Computer Software, Policy [Policy Text Block]	(p) Research and Development Costs Research and development costs associated with new products or enhancements are charged to expenses from operations as incurred.
Earnings Per Share, Policy [Policy Text Block]	(q) Net Income Per Common Share Basic net income per common share is computed by dividing net income by the weighted average of common shares outstanding during the year. Diluted net income per share is computed by dividing net income by the weighted average of common and potential dilutive common shares outstanding during the year.
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]	(r) Share-Based Compensation Share-based compensation expense is calculated and recognized primarily on a straight-line basis over the vesting periods of the related share-based reward. We generally provide for the vesting of stock options in equal annual installments over a four-year period commencing on the one-year anniversary of the date of grant, or over a one-year period with one-fourth of the underlying shares vesting at the end of each three-month period following the grant date. The fair value of each option grant is estimated on the date of grant using the Black-Scholes option-pricing model (Black-Scholes). We use historical data to estimate the expected price volatility, expected option life and expected forfeiture rate. We base our estimate of expected volatility for awards granted in 2015 , 2014 and 2013 on daily historical trading data of its common stock for a period equivalent to the expected term of the award. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant for the estimated life of the option. We estimated the expected term consistent with historical exercise and cancellation activity of its previous share-based grants with a seven-year contractual term. Forfeitures were based on historical experience. The dividend yield is calculated based upon the dividend payments made during the prior four quarters as a percent of the average share price for that period. See Note 9 for additional information on share-based compensation.

Note 2 - Inventories (Tables)

Note 2 - Inventories (Tables)	12 Months Ended
	Dec. 31, 2015
Notes Tables
Schedule of Inventory, Current [Table Text Block]	2015 2014 Finished products $ 1,366 $ 1,628 Work-in-process 2,375 2,574 Raw materials 4,049 4,503 Total inventory $ 7,790 $ 8,705

Note 3 - Property, Plant and 27

Note 3 - Property, Plant and Equipment (Tables)	12 Months Ended
	Dec. 31, 2015
Notes Tables
Property, Plant and Equipment [Table Text Block]	Estimated 2015 2014 useful lives (years) Land $ 200 $ 200 — Buildings 786 786 27 Machinery and equipment 5,178 4,924 3 to 10 Office equipment 5,436 4,846 2 to 15 Leasehold improvements 2,125 2,186 1 to 15 Vehicles 424 494 3 to 5 Total property, plant and equipment 14,149 13,436 Less accumulated depreciation (8,154 ) (7,874 ) Net property, plant and equipment $ 5,995 $ 5,562

Note 4 - Goodwill and Other I28

Note 4 - Goodwill and Other Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2015
Notes Tables
Schedule of Goodwill [Table Text Block]	Package Industrial Testing Permeation Analyzers & Other Total Balance as of December 31, 2013 $ 6,175 $ 2,249 $ 610 $ 9,034 Foreign currency translation (667 ) (220 ) - (887 ) Balance as of December 31, 2014 5,508 2,029 610 8,147 Foreign currency translation (541 ) (169 ) - (710 ) Balance as of December 31, 2015 $ 4,967 $ 1,860 $ 610 $ 7,437
Schedule of Finite-Lived Intangible Assets [Table Text Block]	As of December 31, 2015 Accumulated Cost Amortization Net Patents $ 1,844 $ (439 ) $ 1,405 Trademarks and trade names 3,321 (751 ) 2,570 Developed technology 6,121 (2,551 ) 3,570 Customer relationships 716 (298 ) 418 Internally developed software 1,085 (154 ) 931 Other intangibles 214 (122 ) 92 $ 13,301 $ (4,315 ) $ 8,986 As of December 31, 2014 Accumulated Cost Amortization Net Patents $ 1,719 $ (416 ) $ 1,303 Trademarks and trade names 3,676 (644 ) 3,032 Developed technology 6,843 (2,091 ) 4,752 Customer relationships 800 (245 ) 555 Internally developed software 1,085 (46 ) 1,039 Other intangibles 255 (105 ) 150 $ 14,378 $ (3,547 ) $ 10,831

Note 5 - Warranties (Tables)

Note 5 - Warranties (Tables)	12 Months Ended
	Dec. 31, 2015
Notes Tables
Schedule of Product Warranty Liability [Table Text Block]	Description Balance at Beginning of Year Warranty Provisions Warranty Claims Balance at End of Year Year ended December 31, 2015: Allowance for product warranties $ 285 288 350 $ 223 Year ended December 31, 2014: Allowance for product warranties $ 336 297 348 $ 285 Year ended December 31, 2013: Allowance for product warranties $ 241 442 347 $ 336

Note 6 - Commitments and Cont30

Note 6 - Commitments and Contingencies (Tables)	12 Months Ended
	Dec. 31, 2015
Notes Tables
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]	Year Ending December 31: Operating Leases Capital Leases 2016 $ 969 $ 67 2017 742 58 2018 644 37 2019 546 - 2020 518 - 2021 and thereafter 2,453 - $ 5,872 162 Less amounts representing interest 4 Present value of minimum lease commitments $ 158

Note 8 - Income Taxes (Tables)

Note 8 - Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2015
Notes Tables
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]	2015 2014 2013 Income before income taxes: Domestic $ 2,314 $ 968 $ 3,072 Foreign 2,145 2,490 1,352 Total $ 4,459 $ 3,458 $ 4,424
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	2015 2014 2013 Current tax expense: Federal $ 1,208 $ 1,076 $ 806 State 48 95 80 Foreign 1,009 893 525 Total current expense 2,265 2,064 1,411 Deferred tax expense (benefit): Federal (508 ) 171 19 State (15 ) (27 ) (3 ) Foreign (255 ) (286 ) (464 ) Total deferred expense (benefit) (778 ) (142 ) (448 ) Provision for income taxes $ 1,487 $ 1,922 $ 963
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	Percentage of pretax income 2015 2014 2013 Tax at statutory federal income tax rate 34.0 % 34.0 % 34.0 % Increases (reductions) in taxes resulting from: State income taxes, net of federal benefit 0.8 0.4 1.2 Change in valuation allowance 0.9 32.8 (0.3 ) Domestic manufacturing deduction (1.8 ) (3.5 ) (2.3 ) Capitalized acquisition costs - - - Effect of foreign operations (2.3 ) (7.0 ) (8.5 ) Foreign dividend income - - - Tax-exempt interest - - - Changes in unrecognized tax benefits (2.6 ) - 0.9 Stock option compensation 2.9 3.0 1.8 Research credit (4.7 ) (4.3 ) (5.7 ) Other, including provision to return adjustments 6.3 (0.2 ) 0.7 Effective income tax rate 33.5 % 55.6 % 21.8 %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	2015 2014 Deferred tax assets: Allowance for doubtful accounts $ 3 $ 22 Inventory items 576 421 Reserves and accruals 413 664 Compensation expense - stock options 274 224 Foreign tax credit carryover 170 325 R&D credit carryover 171 105 Impairment 1,123 1,135 Other 220 278 Subtotal 2,950 3,174 Less: Valuation allowance (1,294 ) (1,266 ) Total deferred tax assets 1,656 1,908 Deferred tax liabilities: Fixed assets (1,071 ) (881 ) Intangibles (1,601 ) (1,843 ) Total deferred tax liabilities (2,672 ) (2,724 ) Net deferred tax liability $ (1,016 ) $ (816 )
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]	2015 2014 2013 Balance at January 1 $ 302 $ 264 $ 233 Additions based on tax positions related to the current year - 61 20 Additions based on tax positions related to the prior year - - 11 Reductions due to closing of statute of limitations (25 ) (23 ) - Reductions based on tax positions related to the prior year (90 ) - - Balance at December 31 $ 187 $ 302 $ 264

Note 9 - Share-based Compensa32

Note 9 - Share-based Compensation (Tables)	12 Months Ended
	Dec. 31, 2015
Notes Tables
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]	Years Ended December 31, 2015 2014 2013 Total cost of share-based compensation $ 668 $ 591 $ 512 Amount of income tax benefit recognized in earnings (39 ) (104 ) (100 ) Amount charged against net income $ 629 $ 487 $ 412
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	2015 2014 2013 Dividend yield 2.8 % 3.4 % 2.7 % Expected volatility 32 % 37 % 42 % Risk-free interest rate 1.6 % 1.7 % 1.0 % Expected lives (in years) 6.8 6.4 5.6
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]	Weighted Weighted Average Aggregate Average Remaining Intrinsic Exercise Contractual Value Shares Price Term (in thousands) Options outstanding, December 31, 2012 838,662 $ 11.84 3.9 $ 2,346 Granted 10,000 14.16 Exercised (206,675 ) 10.23 Cancelled or expired (19,687 ) 14.12 Options outstanding, December 31, 2013 622,300 12.34 3.7 2,175 Granted 298,500 16.60 Exercised (175,800 ) 10.97 Cancelled or expired (22,325 ) 15.04 Options outstanding, December 31, 2014 722,675 14.35 4.6 2,555 Granted 206,300 14.30 Exercised (115,922 ) 10.24 Cancelled or expired (15,675 ) 15.51 Options outstanding, December 31, 2015 797,378 $ 14.91 4.7 $ 453 Options exercisable, December 31, 2015 507,978 $ 14.90 3.6 $ 380
Schedule of Share-based Compensation Stock Options Unvested Activity [Table Text Block]	Weighted Average Number of Grant Date Shares Fair Value Unvested at December 31, 2014 227,400 $ 4.35 Options granted 206,300 3.40 Options cancelled (12,825 ) 3.71 Options vested (131,475 ) 4.79 Unvested at December 31, 2015 289,400 $ 3.48

Note 10 - Other Income (Expen33

Note 10 - Other Income (Expense), Net (Tables)	12 Months Ended
	Dec. 31, 2015
Notes Tables
Schedule of Other Nonoperating Income (Expense) [Table Text Block]	Years Ended December 31, 2015 2014 2013 Interest income $ 2 $ 3 $ 22 Interest expense (119 ) (186 ) (299 ) Foreign currency exchange gain (loss) 209 (136 ) (83 ) Other 1 13 1 Total other income (expense), net $ 93 $ (306 ) $ (359 )

Note 11 - Net Income Per Comm34

Note 11 - Net Income Per Common Share (Tables)	12 Months Ended
	Dec. 31, 2015
Notes Tables
Schedule of Weighted Average Number of Shares [Table Text Block]	Years Ended December 31, 2015 2014 2013 Weighted shares of common stock outstanding - basic 5,753 5,665 5,545 Dilutive impact of share-based awards 65 89 95 Weighted shares of common stock outstanding - diluted 5,818 5,754 5,640

Note 13 - Debt (Tables)

Note 13 - Debt (Tables)	12 Months Ended
	Dec. 31, 2015
Notes Tables
Schedule of Long-term Debt Instruments [Table Text Block]	December 31, 2015 December 31, 2014 Note payable to bank, which was paid off on August 26, 2015 $ - $ 1,166 Seller financed note payable (Seller Note), which was paid off on April 2, 2015 - 95 Capital leases (Note 6) 158 29 Total long-term notes payable 158 1,290 Less current portion of long-term notes payable 65 983 Total long-term notes payable $ 93 $ 307
Schedule of Maturities of Long-term Debt and Future Minimum Payments Under Capital Leases [Table Text Block]	2016 $ 65 2017 56 2018 37 Total $ 158

Note 14 - Business Segments (Ta

Note 14 - Business Segments (Tables)	12 Months Ended
	Dec. 31, 2015
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	Package Testing Permeation Industrial Analyzers and Other Unallocated - Corporate Consolidated December 31, 2015: Revenue $ 26,583 $ 25,069 $ 9,572 $ - $ 61,224 Gross profit 14,445 14,415 4,364 - 33,224 Income/(Loss) before income taxes 2,703 4,527 (1,722 ) (1,049 ) 4,459 Capital expenditures 951 517 149 - 1,617 Depreciation and amortization 1,545 789 126 - 2,460 Interest expense 119 - - - 119 Intangible assets, net 7,053 1,869 64 - 8,986 December 31, 2014: Revenue $ 28,071 $ 23,380 $ 13,024 $ - $ 64,475 Gross profit 13,850 14,985 7,279 - 36,114 Income/(Loss) before income taxes 1,515 4,296 818 (3,171 ) 3,458 Capital expenditures 630 653 132 - 1,415 Depreciation and amortization 1,715 730 110 - 2,555 Interest expense 186 - - - 186 Intangible assets, net 8,781 1,954 96 - 10,831 December 31, 2013: Revenue $ 25,241 $ 21,395 $ 10,472 $ - $ 57,108 Gross profit 11,919 13,438 5,912 - 31,269 Income/(Loss) before income taxes 679 3,338 407 - 4,424 Capital expenditures 667 970 167 - 1,804 Depreciation and amortization 1,689 629 115 - 2,433 Interest expense 299 - - - 299 Intangible assets, net 10,986 1,656 76 - 12,718 Total assets as of December 31, 2015 $ 27,918 $ 15,648 $ 3,853 $ - $ 47,419 Total assets as of December 31, 2014 $ 25,633 $ 21,071 $ 5,805 $ - $ 52,509
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]	2015 2014 2013 United States $ 4,232 $ 4,010 $ 4,035 Foreign countries: Germany 285 336 309 Denmark 1,353 1,020 1,049 Other European counties 125 196 334 Total foreign countries 1,763 1,552 1,692 Consolidated total $ 5,995 $ 5,562 $ 5,727
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]	Years Ended December 31, 2015 2014 2013 Domestic revenue $ 20,872 $ 19,836 $ 19,052 Foreign revenue: Europe 23,673 26,324 23,966 Asia 12,762 14,166 10,481 Other 3,917 4,149 3,609 Total foreign revenue 40,352 44,639 38,056 Total revenue $ 61,224 $ 64,475 $ 57,108

Schedule II - Valuation and Q37

Schedule II - Valuation and Qualifying Accounts (Tables)	12 Months Ended
	Dec. 31, 2015
Notes Tables
Allowance for Credit Losses on Financing Receivables [Table Text Block]	Description Balance at Beginning of Year Charged to Costs and Expenses Charged to Other Accounts Deductions Balance at End of Year Year ended December 31, 2015: Allowance for doubtful accounts and returns $ 181 (28 ) - 12 $ 141 Year ended December 31, 2014: Allowance for doubtful accounts and returns $ 316 (85 ) - 50 $ 181 Year ended December 31, 2013: Allowance for doubtful accounts and returns $ 304 156 - 144 $ 316

Note 1 - Summary of Significa38

Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Computer Software, Software Development Costs, Intangible Asset [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life		10 years
Computer Software, Software Development Costs, Intangible Asset [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life		7 years
Computer Software, Software Development Costs, Intangible Asset [Member]
Finite-Lived Intangible Assets, Gross	$ 1,100,000	$ 1,100,000	$ 1,100,000
Amortization of Intangible Assets		$ 108,000	46,000	$ 0
Trademarks [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life		17 years
Customer Relationships [Member]
Finite-Lived Intangible Assets, Gross	800,000	$ 716,000	800,000
Finite-Lived Intangible Asset, Useful Life		10 years
Developed Technology Rights [Member]
Finite-Lived Intangible Assets, Gross	6,843,000	$ 6,121,000	6,843,000
Finite-Lived Intangible Asset, Useful Life		10 years
Patents [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life		17 years
Patents [Member]
Finite-Lived Intangible Assets, Gross	1,719,000	$ 1,844,000	1,719,000
Trade Names [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life		20 years
Other Intangible Assets [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life		5 years
Other Intangible Assets [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life		3 years
Other Intangible Assets [Member]
Finite-Lived Intangible Assets, Gross	255,000	$ 214,000	255,000
Computer Software, Direct Costs of Materials and Services [Member] | Property, Plant and Equipment, Net [Member]
Depreciation		$ 221,000	213,000	172,000
Computer Software, Direct Costs of Materials and Services [Member]
Property, Plant and Equipment, Useful Life		5 years
Operating Expense [Member] | Luxcel Biosciences Limited [Member]
Cost-method Investments, Other than Temporary Impairment	3,200,000
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award Fair Value Assumptions Contractual Term		7 years
Goodwill, Impairment Loss		$ 0	0
Finite-Lived Intangible Assets, Gross	14,378,000	13,301,000	14,378,000
Goodwill	$ 8,147,000	7,437,000	8,147,000	9,034,000
Amortization of Intangible Assets		1,200,000	1,300,000	1,200,000
Depreciation		$ 1,300,000	1,300,000	$ 1,200,000
Cost-method Investments, Other than Temporary Impairment			3,171,000
Advertising Expense		$ 646,000	$ 845,000	$ 831,000

Note 2 - Major Components of In

Note 2 - Major Components of Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Finished products	$ 1,366	$ 1,628
Work-in-process	2,375	2,574
Raw materials	4,049	4,503
Total inventory	$ 7,790	$ 8,705

Note 3 - Property, Plant and 40

Note 3 - Property, Plant and Equipment (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Depreciation	$ 1.3	$ 1.3	$ 1.2

Note 3 - Property, Plant and 41

Note 3 - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Land [Member]
Property, plant, and equipment	$ 200	$ 200
Building [Member]
Property, plant, and equipment	$ 786	786
Property, Plant and Equipment, Useful Life	27 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life	10 years
Machinery and Equipment [Member]
Property, plant, and equipment	$ 5,178	4,924
Office Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life	2 years
Office Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life	15 years
Office Equipment [Member]
Property, plant, and equipment	$ 5,436	4,846
Leasehold Improvements [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life	1 year
Leasehold Improvements [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life	15 years
Leasehold Improvements [Member]
Property, plant, and equipment	$ 2,125	2,186
Vehicles [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Vehicles [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life	5 years
Vehicles [Member]
Property, plant, and equipment	$ 424	494
Property, plant, and equipment	14,149	13,436
Less accumulated depreciation	(8,154)	(7,874)
Property, plant, and equipment, net	$ 5,995	$ 5,562

Note 4 - Goodwill and Other I42

Note 4 - Goodwill and Other Intangible Assets (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill, Impairment Loss	$ 0	$ 0
Goodwill	7,437,000	8,147,000	$ 9,034,000
Amortization of Intangible Assets	1,200,000	$ 1,300,000	$ 1,200,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	1,200,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	1,100,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	1,100,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	1,100,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	1,100,000
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	$ 2,800,000

Note 4 - Changes in the Carryin

Note 4 - Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Package Testing Segment [Member]
Balance	$ 5,508	$ 6,175
Foreign currency translation	(541)	(667)
Balance	4,967	5,508
Permeation Segment [Member]
Balance	2,029	2,249
Foreign currency translation	(169)	(220)
Balance	1,860	2,029
Industrial Analyzers and Other Segment [Member]
Balance	$ 610	$ 610
Foreign currency translation
Balance	$ 610	$ 610
Balance	8,147	9,034
Foreign currency translation	(710)	(887)
Balance	$ 7,437	$ 8,147

Note 4 - Other Intangible Asset

Note 4 - Other Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Patents [Member]
Finite-Lived Intangible Assets, Gross	$ 1,844	$ 1,719
Accumulated amortization	(439)	(416)
Net	1,405	1,303
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets, Gross	3,321	3,676
Accumulated amortization	(751)	(644)
Net	2,570	3,032
Developed Technology Rights [Member]
Finite-Lived Intangible Assets, Gross	6,121	6,843
Accumulated amortization	(2,551)	(2,091)
Net	3,570	4,752
Customer Relationships [Member]
Finite-Lived Intangible Assets, Gross	716	800
Accumulated amortization	(298)	(245)
Net	418	555
Internally Developed Software [Member]
Finite-Lived Intangible Assets, Gross	1,085	1,085
Accumulated amortization	(154)	(46)
Net	931	1,039
Other Intangible Assets [Member]
Finite-Lived Intangible Assets, Gross	214	255
Accumulated amortization	(122)	(105)
Net	92	150
Finite-Lived Intangible Assets, Gross	13,301	14,378
Accumulated amortization	(4,315)	(3,547)
Net	$ 8,986	$ 10,831

Note 5 - Warranties (Details Te

Note 5 - Warranties (Details Textual)	12 Months Ended
	Dec. 31, 2015
Product Warranty Period Low End of Range	90 days
Product Warranty Period High End of Range	1 year

Note 5 - Warranty Provisions an

Note 5 - Warranty Provisions and Claims (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Balance at beginning of year	$ 285	$ 336	$ 241
Warranty provisions	288	297	442
Warranty claims	350	348	347
Balance at end of year	$ 223	$ 285	$ 336

Note 6 - Commitments and Cont47

Note 6 - Commitments and Contingencies (Details Textual)	12 Months Ended
	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)
Employee Severance [Member]
Number of Executive Officers with Whom Severance Agreement Is Available	3
Number of Divisional Officers With Whom Severance Agreement is Available	2
Chief Financial Officer [Member]
Severance Costs		$ 107,000
Accrued Compensation and Related Expenses [Member]
Severance Costs		72,000
Inventory Purchase Obligations [Member]
Purchase Commitment, Remaining Minimum Amount Committed	$ 6,700,000
Capital Leases, Balance Sheet, Assets by Major Class, Net	195,000	58,000
Operating Leases, Rent Expense, Net	$ 1,100,000	$ 1,200,000	$ 1,100,000

Note 6 - Future Minimum Lease P

Note 6 - Future Minimum Lease Payments (Details) $ in Thousands	Dec. 31, 2015USD ($)
Operating leases, future minimum payments due, current	$ 969
Capital leases, future minimum payments due, current	67
Operating leases, future minimum payments due in year 2	742
Capital leases, future minimum payments due in year 2	58
Operating leases, future minimum payments due in year 3	644
Capital leases, future minimum payments due in year 3	37
Operating leases, future minimum payments due in year 4	$ 546
Capital leases, future minimum payments due in year 4
Operating leases, future minimum payments due in year 5	$ 518
Capital leases, future minimum payments due in year 5
Operating leases, future minimum payments due thereafter	$ 2,453
Capital leases, future minimum payments due thereafter
Operating leases, future minimum payments due	$ 5,872
Capital leases, future minimum payments due	162
Less amounts representing interest	4
Present value of minimum lease commitments	$ 158

Note 7 - Realignment Expenses (

Note 7 - Realignment Expenses (Details Textual)	12 Months Ended
	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)
Realignment Plan [Member] | Legal and Professional Fees [Member]
Restructuring Charges	$ 414,000
Realignment Plan [Member] | Employee Severance [Member]
Restructuring Charges	635,000
Realignment Plan [Member] | Accrued Compensation [Member]
Restructuring Charges	483,000
Realignment Plan [Member] | Accounts Payable and Related Expenses [Member]
Restructuring Charges	137,000
Realignment Plan [Member]
Restructuring Charges	$ 1,000,000
Restructuring and Related Cost, Number of Positions Eliminated	10
Restructuring Charges	$ 1,049,000

Note 8 - Income Taxes (Details

Note 8 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Impairment of Investment in an Affiliated Company [Member]
Deferred Tax Assets, Valuation Allowance	$ 1,100,000
Carryforward of State RD Tax Credits [Member]
Deferred Tax Assets, Valuation Allowance	171,000
Likely To Be Recognized At December 31, 2015 [Member]
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	170,000
Deferred Tax Liabilities, Undistributed Foreign Earnings	0
Deferred Tax Assets, Valuation Allowance	1,294,000	$ 1,266,000
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	170,000	325,000
Undistributed Earnings of Foreign Subsidiaries	4,400,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	13,000	$ 55,000
Income Tax Examination, Penalties and Interest Expense	$ 42,000

Note 8 - Income Before Income T

Note 8 - Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Domestic	$ 2,314	$ 968	$ 3,072
Foreign	2,145	2,490	1,352
Income before income taxes	$ 4,459	$ 3,458	$ 4,424

Note 8 - Provision (Benefit) fo

Note 8 - Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current tax expense:
Federal	$ 1,208	$ 1,076	$ 806
State	48	95	80
Foreign	1,009	893	525
Total current expense	2,265	2,064	1,411
Deferred tax expense (benefit):
Federal	(508)	171	19
State	(15)	(27)	(3)
Foreign	(255)	(286)	(464)
Total deferred expense (benefit)	(778)	(142)	(448)
Provision for income taxes	$ 1,487	$ 1,922	$ 963

Note 8 - Effective Income Tax R

Note 8 - Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Tax at statutory federal income tax rate	34.00%	34.00%	34.00%
Increases (reductions) in taxes resulting from:
State income taxes, net of federal benefit	0.80%	0.40%	1.20%
Change in valuation allowance	0.90%	32.80%	(0.30%)
Domestic manufacturing deduction	(1.80%)	(3.50%)	(2.30%)
Capitalized acquisition costs
Effect of foreign operations	(2.30%)	(7.00%)	(8.50%)
Foreign dividend income
Tax-exempt interest
Changes in unrecognized tax benefits	(2.60%)		0.90%
Stock option compensation	2.90%	3.00%	1.80%
Research credit	(4.70%)	(4.30%)	(5.70%)
Other, including provision to return adjustments	6.30%	(0.20%)	0.70%
Effective income tax rate	33.50%	55.60%	21.80%

Note 8 - Deferred Tax Assets an

Note 8 - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Allowance for doubtful accounts	$ 3	$ 22
Inventory items	576	421
Reserves and accruals	413	664
Compensation expense - stock options	274	224
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	170	325
R&D credit carryover	171	105
Impairment	1,123	1,135
Other	220	278
Subtotal	2,950	3,174
Less: Valuation allowance	(1,294)	(1,266)
Total deferred tax assets	1,656	1,908
Deferred tax liabilities:
Fixed assets	(1,071)	(881)
Intangibles	(1,601)	(1,843)
Total deferred tax liabilities	(2,672)	(2,724)
Net deferred tax liability	$ (1,016)	$ (816)

Note 8 - Reconciliation of Gros

Note 8 - Reconciliation of Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Balance	$ 302	$ 264	$ 233
Additions based on tax positions related to the current year		$ 61	20
Additions based on tax positions related to the prior year			$ 11
Reductions due to closing of statute of limitations	$ (25)	$ (23)
Reductions based on tax positions related to the prior year	(90)
Balance	$ 187	$ 302	$ 264

Note 9 - Share-based Compensa56

Note 9 - Share-based Compensation (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Stock Incentive Plan 2006 and 2015 [Member]
Common Stock, Capital Shares Reserved for Future Issuance	360,989
Stock Incentive Plans 2015, 2006 and 1998 [Member]
Common Stock, Capital Shares Reserved for Future Issuance	797,378
Share-based Compensation Arrangement by Share-based Payment Award Purchase Price of Common Stock Percentage for Grants to Persons Having More Than 10 Percent of Common Stock	110.00%
Stock Incentive Plan 2006 and Stock Option Plan 1998 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	100.00%
Two Thousand Fifteen Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	85.00%
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	50,000
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 3.40	$ 4.28	$ 4.45
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 585,000	$ 979,000	$ 824,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 955,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 328 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	$ 630,000	$ 550,000	$ 513,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant			10,000
Share-based Compensation Arrangement by Share-based Payment Award Options Exercise Period	7 years

Note 9 - Stock-based Compensati

Note 9 - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Total cost of share-based compensation	$ 668	$ 591	$ 512
Amount of income tax benefit recognized in earnings	(39)	(104)	(100)
Amount charged against net income	$ 629	$ 487	$ 412

Note 9 - Valuation Assumptions

Note 9 - Valuation Assumptions (Details) - Employee Stock Option [Member]	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Dividend yield	2.80%	3.40%	2.70%
Expected volatility	32.00%	37.00%	42.00%
Risk-free interest rate	1.60%	1.70%	1.00%
Expected lives (in years)	6 years 292 days	6 years 146 days	5 years 219 days

Note 9 - Information Regarding

Note 9 - Information Regarding Company's Stock Option Plans (Details) - Employee Stock Option [Member] - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Options outstanding (in shares)	722,675	622,300	838,662
Options outstanding, Weighted Average Exercise Price (in dollars per share)	$ 14.35	$ 12.34	$ 11.84
Options outstanding, Weighted Average Remaining Contractual Term	4 years 255 days	4 years 219 days	3 years 255 days	3 years 328 days
Options outstanding, Aggregate Intrinsic Value	$ 453	$ 2,555	$ 2,175	$ 2,346
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant			10,000
Granted, Weighted Average Exercise Price (in dollars per share)	$ 14.30	$ 16.60	$ 14.16
Options exercised (in shares)	(115,922)	(175,800)	(206,675)
Exercised, Weighted Average Exercise Price (in dollars per share)	$ 10.24	$ 10.97	$ 10.23
Options cancelled or expired (in shares)	(15,675)	(22,325)	(19,687)
Cancelled or expired, Weighted Average Exercise Price (in dollars per share)	$ 15.51	$ 15.04	$ 14.12
Options outstanding (in shares)	797,378	722,675	622,300	838,662
Options outstanding, Weighted Average Exercise Price (in dollars per share)	$ 14.91	$ 14.35	$ 12.34	$ 11.84
Options granted (in shares)	206,300	298,500
Options exercisable (in shares)	507,978
Options exercisable, Weighted Average Exercise Price (in dollars per share)	$ 14.90
Options exercisable, Weighted Average Remaining Contractual Term	3 years 219 days
Options exercisable, Aggregate Intrinsic Value	$ 380

Note 9 - Summary of Status of C

Note 9 - Summary of Status of Company's Unvested Option Shares (Details) - Employee Stock Option [Member] - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Unvested (in shares)	227,400
Unvested, weighted average grant date fair value (in dollars per share)	$ 4.35
Options granted (in shares)	206,300	298,500
Options granted, weighted average grant date fair value (in dollars per share)	$ 3.40	$ 4.28
Options cancelled (in shares)	(12,825)
Options cancelled, weighted average grant date fair value (in dollars per share)	$ 3.71
Options vested (in shares)	(131,475)
Options vested, weighted average grant date fair value (in dollars per share)	$ 4.79
Unvested (in shares)	289,400	227,400
Unvested, weighted average grant date fair value (in dollars per share)	$ 3.48	$ 4.35

Note 10 - Other Income, Net (De

Note 10 - Other Income, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest income	$ 2	$ 3	$ 22
Interest expense	(119)	(186)	(299)
Foreign currency exchange gain (loss)	209	(136)	(83)
Other	1	13	1
Total other income (expense), net	$ 93	$ (306)	$ (359)

Note 11 - Net Income Per Comm62

Note 11 - Net Income Per Common Share (Details Textual) - shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	610,153	147,100	251,150

Note 11 - Reconciliation of the

Note 11 - Reconciliation of the Denominators Used in the Computation of Net Income per Common Share (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Basic (in shares)	5,753	5,665	5,545
Dilutive impact of share-based awards (in shares)	65	89	95
Weighted shares of common stock outstanding - diluted (in shares)	5,818	5,754	5,640

Note 12 - Savings and Retirem64

Note 12 - Savings and Retirement Plan (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 925,000	$ 882,000	$ 886,000

Note 13 - Debt (Details Textual

Note 13 - Debt (Details Textual) DKK in Millions	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2015USD ($)	Aug. 27, 2015USD ($)	Dec. 31, 2015USD ($)	Dec. 31, 2015DKK	Aug. 28, 2015USD ($)	Dec. 31, 2014USD ($)
Dansensor [Member]
Long-term Line of Credit	$ 0		$ 0			$ 0
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,500,000		$ 1,500,000	DKK 10
Debt Instrument, Interest Rate, Stated Percentage	4.35%		4.35%	4.35%
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	0.015%	0.0175%
Revolving Credit Facility [Member]
Long-term Line of Credit	$ 2,800,000		$ 2,800,000			$ 3,300,000
Line of Credit Facility, Maximum Borrowing Capacity		$ 6,000,000			$ 10,000,000
London Interbank Offered Rate LIBOR			0.24%
Line of Credit Facility, Interest Rate at Period End	1.74%		1.74%	1.74%		2.00%
Debt Instrument Percentage of Common Stock Secured			65.00%

Note 13 - Long-term Notes Payab

Note 13 - Long-term Notes Payable (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Seller Financed Secured Note Payable [Member]
Seller financed note payable (Seller Note), which was paid off on April 2, 2015		$ 95
Note payable to bank, which was paid off on August 26, 2015		1,166
Capital leases (Note 6)	$ 158	29
Total long-term notes payable	158	1,290
Less current portion of long-term notes payable	65	983
Total long-term notes payable	$ 93	$ 307

Note 13 - Future Minimum Princi

Note 13 - Future Minimum Principal Payments of the Long-term Notes Payable (Details) $ in Thousands	Dec. 31, 2015USD ($)
Notes Payable [Member]
2,016	$ 65
2,017	56
2,018	37
Total	158
Total	$ 158

Note 14 - Business Segments (De

Note 14 - Business Segments (Details Textual)	12 Months Ended
	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)
Intersegment [Member]
Revenue, Net	$ 0	$ 0	$ 0
Revenue, Net	$ 61,224,000	$ 64,475,000	$ 57,108,000
Number of Operating Segments		4
Number of Reportable Segments		3

Note 14 - Segment Information (

Note 14 - Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Package Testing Segment [Member]
Revenue	$ 26,583	$ 28,071	$ 25,241
Gross profit	14,445	13,850	11,919
Income (Loss) before income taxes	2,703	1,515	679
Capital expenditures	951	630	667
Depreciation and amortization	1,545	1,715	1,689
Interest expense	119	186	299
Intangible assets, net	7,053	8,781	10,986
Total assets	27,918	25,633
Permeation Segment [Member]
Revenue	25,069	23,380	21,395
Gross profit	14,415	14,985	13,438
Income (Loss) before income taxes	4,527	4,296	3,338
Capital expenditures	517	653	970
Depreciation and amortization	$ 789	$ 730	$ 629
Interest expense
Intangible assets, net	$ 1,869	$ 1,954	$ 1,656
Total assets	15,648	21,071
Industrial Analyzers and Other Segment [Member]
Revenue	9,572	13,024	10,472
Gross profit	4,364	7,279	5,912
Income (Loss) before income taxes	(1,722)	818	407
Capital expenditures	149	132	167
Depreciation and amortization	$ 126	$ 110	$ 115
Interest expense
Intangible assets, net	$ 64	$ 96	$ 76
Total assets	$ 3,853	$ 5,805
Corporate and Unallocated Segment [Member]
Revenue
Gross profit
Income (Loss) before income taxes	$ (1,049)	$ (3,171)
Capital expenditures
Depreciation and amortization
Interest expense
Intangible assets, net
Total assets
Revenue	$ 61,224	$ 64,475	$ 57,108
Gross profit	33,224	36,114	31,269
Income (Loss) before income taxes	4,459	3,458	4,424
Capital expenditures	1,617	1,415	1,804
Depreciation and amortization	2,460	2,555	2,433
Interest expense	119	186	299
Intangible assets, net	8,986	10,831	$ 12,718
Total assets	$ 47,419	$ 52,509

Note 14 - Property, Plant and E

Note 14 - Property, Plant and Equipment, Net of Accumulated Depreciation, by Geographic Location (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
UNITED STATES
Property, plant, and equipment, net	$ 4,232	$ 4,010	$ 4,035
GERMANY
Property, plant, and equipment, net	285	336	309
DENMARK
Property, plant, and equipment, net	1,353	1,020	1,049
Other European Countries [Member]
Property, plant, and equipment, net	125	196	334
Total Assets Foreign Countries [Member]
Property, plant, and equipment, net	1,763	1,552	1,692
Property, plant, and equipment, net	$ 5,995	$ 5,562	$ 5,727

Note 14 - Total Sales, Based Up

Note 14 - Total Sales, Based Upon the Country to Which Sales to External Customers Were Made (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
UNITED STATES
Revenue, Net	$ 20,872	$ 19,836	$ 19,052
Europe [Member]
Revenue, Net	23,673	26,324	23,966
Asia [Member]
Revenue, Net	12,762	14,166	10,481
Other Region [Member]
Revenue, Net	3,917	4,149	3,609
Total Foreign Sales [Member]
Revenue, Net	40,352	44,639	38,056
Revenue, Net	$ 61,224	$ 64,475	$ 57,108

Note 15 - Subsequent Event (Det

Note 15 - Subsequent Event (Details Textual) $ in Millions	6 Months Ended
	Jun. 30, 2016USD ($)
Scenario, Forecast [Member] | Volatile Analysis Corporation [Member]
Proceeds from Sales of Business, Affiliate and Productive Assets	$ 1.3

Schedule II - Valuation and Q73

Schedule II - Valuation and Qualifying Accounts - Valuation Allowance (Details) - Allowance for Doubtful Accounts And Sales Returns [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Balance at beginning of year	$ 181	$ 316	$ 304
Charged to costs and expenses	$ (28)	$ (85)	$ 156
Charged to other accounts
Deductions	$ 12	$ 50	$ 144
Balance at end of year	$ 141	$ 181	$ 316