Alpha Pro Tech (APT) 10-K 12 Mar 18 2017 FY Annual report Financial data

Document And Entity Information

Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2017	Mar. 02, 2018	Jun. 30, 2017
Document Information [Line Items]
Entity Registrant Name	ALPHA PRO TECH LTD
Entity Central Index Key	884,269
Trading Symbol	apt
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)		14,290,747
Entity Public Float			$ 40,942,692
Document Type	10-K
Document Period End Date	Dec. 31, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	FY
Amendment Flag	false

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash	$ 8,763,000	$ 9,456,000
Investment	343,000	607,000
Accounts receivable, net of allowance for doubtful accounts of $83,000 and $66,000 as of December 31, 2017 and 2016, respectively	4,597,000	4,648,000
Accounts receivable, related party	361,000	174,000
Inventories	10,249,000	10,994,000
Prepaid expenses	2,665,000	3,346,000
Deferred income tax assets		438,000
Total current assets	26,978,000	29,663,000
Property and equipment, net	3,158,000	2,646,000
Goodwill	55,000	55,000
Definite-lived intangible assets, net	21,000	34,000
Deferred income tax assets	19,000
Equity investments in unconsolidated affiliate	3,893,000	3,538,000
Total assets	34,124,000	35,936,000
Current liabilities:
Accounts payable	1,236,000	1,005,000
Accrued liabilities	1,565,000	1,460,000
Total current liabilities	2,801,000	2,465,000
Deferred income tax liabilities		807,000
Total liabilities	2,801,000	3,272,000
Commitments
Shareholders' equity:
Common stock, $.01 par value: 50,000,000 shares authorized; 14,290,749 and 15,411,556 shares outstanding as of December 31, 2017 and 2016, respectively	143,000	154,000
Additional paid-in capital	5,415,000	9,990,000
Accumulated other comprehensive loss	(458,000)	(204,000)
Retained earnings	26,223,000	22,724,000
Total shareholders' equity	31,323,000	32,664,000
Total liabilities and shareholders' equity	$ 34,124,000	$ 35,936,000

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parentheticals) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Allowance for doubtful accounts	$ 83,000	$ 66,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares outstanding (in shares)	14,290,749	15,411,556

Consolidated Statements of Inco

Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Net sales	$ 44,025,000	$ 46,176,000
Cost of goods sold, excluding depreciation and amortization	26,573,000	29,192,000
Gross profit	17,452,000	16,984,000
Operating expenses:
Selling, general and administrative	13,955,000	12,768,000
Depreciation and amortization	571,000	544,000
Total operating expenses	14,526,000	13,312,000
Income from operations	2,926,000	3,672,000
Other income:
Equity in income of unconsolidated affiliate	355,000	498,000
Gain on sale of property	385,000
Interest income, net	4,000	5,000
Total other income	744,000	503,000
Income before provision for income taxes	3,670,000	4,175,000
Provision for income taxes	1,037,000	1,007,000
Net income	$ 2,633,000	$ 3,168,000
Basic earnings per common share (in dollars per share)	$ 0.18	$ 0.19
Diluted earnings per common share (in dollars per share)	$ 0.18	$ 0.19
Basic weighted average common shares outstanding (in shares)	14,825,600	16,835,129
Diluted weighted average common shares outstanding (in shares)	14,993,009	16,835,129

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Net income	$ 2,633,000	$ 3,168,000
Other comprehensive loss:
Change in unrealized loss on marketable securities, net of tax	(254,000)	(56,000)
Comprehensive income	$ 2,379,000	$ 3,112,000

Consolidated Statement of Share

Consolidated Statement of Shareholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2015	17,850,456
Balance at Dec. 31, 2015	$ 178,000	$ 16,526,000	$ (148,000)	$ 19,556,000	$ 36,112,000
Options exercised (in shares)	15,000				15,000
Options exercised		17,000			$ 17,000
Common stock repurchased and retired (in shares)	(2,453,900)				(2,453,900)
Common stock repurchased and retired	$ (24,000)	(6,749,000)			$ (6,773,000)
Excess tax benefit from stock options exercised		6,000			6,000
Share-based compensation expense		190,000			190,000
Net income				3,168,000	3,168,000
Other comprehensive loss			(56,000)		$ (56,000)
Balance (in shares) at Dec. 31, 2016	15,411,556				15,411,556
Balance at Dec. 31, 2016	$ 154,000	9,990,000	(204,000)	22,724,000	$ 32,664,000
Options exercised (in shares)	111,669				111,669
Options exercised	$ 1,000	209,000			$ 210,000
Common stock repurchased and retired (in shares)	(1,232,476)				(1,232,476)
Common stock repurchased and retired	$ (12,000)	(4,214,000)			$ (4,226,000)
Share-based compensation expense		296,000			296,000
Net income				2,633,000	2,633,000
Other comprehensive loss			(254,000)		$ (254,000)
Balance (in shares) at Dec. 31, 2017	14,290,749				14,290,749
Balance at Dec. 31, 2017	$ 143,000	5,415,000	$ (458,000)	26,223,000	$ 31,323,000
Cumulative-effect adjustment of change in accounting for stock-based compensation		$ (866,000)		$ 866,000

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Cash Flows From Operating Activities:
Net income	$ 2,633,000	$ 3,168,000
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation	296,000	190,000
Depreciation and amortization	571,000	544,000
Equity in income of unconsolidated affiliate	(355,000)	(498,000)
Gain on sale of property	(385,000)
Deferred income taxes	(378,000)	21,000
Changes in assets and liabilities:
Accounts receivable, net	51,000	(1,886,000)
Accounts receivable, related party	(187,000)	(166,000)
Inventories	745,000	5,404,000
Prepaid expenses	681,000	(254,000)
Accounts payable and accrued liabilities	336,000	310,000
Net cash provided by operating activities	4,008,000	6,833,000
Cash Flows From Investing Activities:
Purchase of property and equipment	(1,222,000)	(267,000)
Proceeds from sale of property	537,000
Purchase of investments		(41,000)
Net cash used in investing activities	(685,000)	(308,000)
Cash Flows From Financing Activities:
Proceeds from exercise of stock options	210,000	17,000
Repurchase of common stock	(4,226,000)	(6,773,000)
Excess tax benefit from stock options exercised		6,000
Net cash used in financing activities	(4,016,000)	(6,750,000)
Decrease in cash	(693,000)	(225,000)
Cash, beginning of the year	9,456,000	9,681,000
Cash, end of the year	8,763,000	9,456,000
Supplemental disclosure of cash flow information:
Cash paid for income taxes	$ 1,078,000	$ 303,000

Note 1 - The Company

Note 1 - The Company	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Nature of Operations [Text Block]	1. The Company Alpha Pro Tech, Ltd. (“Alpha Pro Tech” or the “Company”) is in the business of protecting people, products and environments. The Company accomplishes this by developing, manufacturing and marketing a line of building supply products for the new home and re-roofing markets; a line of disposable protective apparel for the cleanroom, the industrial markets and the pharmaceutical markets; and a line of infection control products for the medical and dental markets. The Building Supply segment consists of construction weatherization products, such as housewrap and synthetic roof underlayment , as well as other woven material. The Disposable Protective Apparel segment consists of a complete line of shoecovers, bouffant caps, coveralls, gowns, frocks and lab coats. The Infection Control segment consists of a line of face masks and eye shields. The Company ’s products are sold under the Alpha Pro Tech brand name, and under private label, and are predominantly sold in the United States of America (“U.S.”).

Note 2 - Summary of Significant

Note 2 - Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Significant Accounting Policies [Text Block]	2. Summary of Significant Accounting Policies Principles of C onsolidation The consolidated financial statements of the Company include the accounts of the Company and its wholly owned subsidiaries, Alpha Pro Tech, Inc. and Alpha ProTech Engineered Products, Inc. All significant intercompany accounts and transactions have been eliminated in consolidation. Events that occurred after December 31, 20 17 Use of Estimates The preparation of financial st atements in conformity with U.S. generally accepted accounting principles (“U.S. GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses for the reporting period. Actual results could differ from these estimates. Periods P resented All amounts have been rounded to the nearest thousand with the exception of the share data. The Company qualified as a smaller reporting company at the measurement date for determining such qualification during 2017. two two Investments The Company periodically invests a portion of its cash in excess of short-term operating needs in marketable debt and equity securities. These investments are classified as available-for-sale in accordance with U.S. GAAP. The Company does not one The Company ha d an investment in non-trading warrants to purchase common stock in a publicly traded entity. These warrants were derivatives that were carried at fair value in the accompanying balance sheets. Gains or losses from changes in the fair value of the warrants are recognized in the accompanying statements of income in the period in which they occurred. Accounts Receivable Accounts receivable are recorded at the invoice amount and do not The allowance for doubtful accounts is the Company’s best estimate of the amount of probable credit losses in the Company’s existing accounts receivable; however, changes in circumstances relating to accounts receivable may Inventories Inventories include freight-in, materials, labor and overhead costs and are stated at the lower of cost or net realizable value. Allowances are recorded for slow-moving, obsolete or unusable inventories. The Company assesses inventories for estimated obsolescence or unmarketable products and writes down the difference between the cost of the inventories and the estimated net realizable values based upon assumptions about future sales and supplies on-hand. Property and E quipment Property and equipment are stated at cost less accumulated depreciation and amortization. Costs to develop internal use software are capitalized once the preliminary planning for the software project is complete. Property and equipment are depreciated or amortized using the straight-line method over the shorter of the respective useful lives of the assets or the related lease terms as follows: Buildings (in years) 25 Machinery and equipment (in years) 5 - 15 Office furniture and equipment (in years) 2 - 7 Leasehold improvements (in years) 4 - 5 Software (in years) 5 Expenditures for renewals and betterments are capitalized, whereas costs of maintenance and repairs are charged to operations in the period incurred. Goodwill and Intangible A ssets The Company accounts for goodwill and definite-lived intangible assets in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 350, Intangibles – Goodwill and Other not 6 5 17 Fair Value of Financial Instruments The estimated fair values of financial instruments are determined based on relevant market information and cannot be determined with precision. The Company’s financial instruments consist primarily of cash and marketable securities. The Company ’s marketable securities are classified as available-for-sale and are carried at fair market value based on quoted market prices. Impairment of L ong- L ived A ssets The Company reviews long-lived assets for impairment whenever events or changes in its business circumstances indicate that the carrying amounts of the assets may not not not December 31, 2017 2016. Revenue R ecognition Sales were recognized when the following criteria were met: ( 1 2 3 4 Shipping costs paid by the customers are included in revenue. Sales are reduced for any anticipated sales returns, rebates and allowances based on historical data. Shipping and Handling Costs The costs of shipping product s to distributors are recorded in cost of goods sold. Stock - Based Compensation The Company maintains a stock option plan under which the Company may . The Company accounts for share-based awards in accordance with ASC 718, Stock Compensation 718 For the years ended December 31, 20 17 2016, 85,000 855,000 $296,000 $190,000 December 31, 2017 2016, Income Taxes The Company accounts for income taxes using the asset and liability method. A valuation allowance is recorded to reduce the carrying amounts of deferred income tax assets unless it is more likely than not not not Alpha Pro Tech, Ltd. and its subsidiaries file income tax returns in the U.S. federal jurisdiction, and in various state and foreign jurisdictions. The Tax Cuts and Jobs Act (the Tax Act) was enacted in December 2017. one 35% 21%, January 1, 2018. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to reverse. As a result of the reduction in the U.S. corporate income tax rate from 35% 21% December 31, 2017 (see also Note 11 Earnings Per Common Share The following table provides a reconciliation of both net income and the number of shares used in the computation of “basic” earnings per common share (“EPS”), which utilizes the weighted average number of common shares outstanding without regard to potential common shares, and “diluted” EPS, which includes all potential common shares which are dilutive for the years ended December 31, 2017 2016. Years Ended December 31, 2017 2016 Net income (numerator) $ 2,633,000 $ 3,168,000 Shares (denominator): Basic weighted average common shares outstanding 14,825,600 16,835,129 Add: Dilutive effect of common stock options 167,409 - Diluted weighted average common shares outstanding 14,993,009 16,835,129 Earnings per common share: Basic $ 0.18 $ 0.19 Diluted $ 0.18 $ 0.19 Translation of F oreign C urrencies Transactions in foreign currencies are translated into U .S. dollars at the exchange rate prevailing at the transaction date. Monetary assets and liabilities in foreign currencies at each period end are translated at the exchange rate in effect at that date. Transaction gains or losses on foreign currencies are reflected in selling, general and administrative expenses and were not December 31, 2017 2016. The Company does not not not Research and Development Costs Research and development costs are expensed as incurred and are included in selling, general and administrative expenses. Such costs were not December 31, 20 17 2016. Advertising Costs The Company expenses advertising costs as incurred. These costs are included in selling, general and administrative expenses and were $46,000 $39,000 December 31, 2017 2016, Loss Contingencies The outcomes of legal proceedings and claims brought against the Company are subject to uncertainty. An estimated loss from a loss contingency such as a legal proceeding or claim is accrued if it is probable that an asset has been impaired or a liability has been incurred and the amount of the loss can be reasonably estimated. In determining whether a loss should be accrued , we evaluate, among other factors, the degree of probability of an unfavorable outcome and the ability to make a reasonable estimate of the amount of loss. Fair V alue Measurements ASC 820, Fair Value Measurements and Disclosures three This hierarchy requires the Company to minimize the use of unobservable inputs and to use observable market data, if available, when determining fair value. The fair value s of the Company’s financial assets as of December 31, 2017 2016 • Level 1—Quoted • Level 2—Quoted not • Level 3—Valuations one Fair Value Measurements as of December 31, Total Level 1 Level 2 Level 3 Assets: Marketable securities 2017 $ 343,000 $ 343,000 $ - $ - Marketable securities 2016 607,000 607,000 - - The fair value s for the marketable securities, classified as Level 1, New Accounting Standards Accounting Standards Update (“ASU”) 2014 09, 606 2014 09” 2014 09, may 2014 09 first December 15, 2017, not 2014 09 first 2018. ’s financial position and results of operations. In July 2015, 2015 11, 330 Simplifying the Measurement of Inventory 2015 11” first first December 15, 2016, first 2017. In November 2015, 2015 17, 740 December 15, 2016 first 2017. not In January 2016, 2016 01, 825 10 The guidance also changes certain disclosure requirements associated with the fair value of financial instruments. These changes will require an entity to measure, at fair value, investments in equity securities and other ownership interests in an entity and recognize the changes in fair value within net income. The guidance is effective for fiscal years and interim periods within those years beginning after December 15, 2017. January 1, 2018, $458,000, In February 2016, 2016 02, 842 December 15, 2018 not ’s financial position or results of operations. In March 2016, 2016 09, 718 December 15, 2016 March 31, 2017, one $866,000 no In June 2016, 2016 13, – Credit Losses Topic 326, December 15, 2019, not Management periodically reviews new accounting standards that are issued. Management has not at this time.

Note 3 - Investments

Note 3 - Investments	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	3. Investments As of December 31, 201 7 2016, $343,000 $607,000, The following provides information regarding the Company ’s marketable securities as of December 31, 2017 2016: December 31, 2017 2016 Cost basis $ 543,000 $ 543,000 Gain previously recognized on warrants 380,000 380,000 Loss included in accumulated other comprehensive loss (580,000 ) (316,000 ) Fair value $ 343,000 $ 607,000 No December 31, 2017. $254,000 $56,000 December 31, 2017 2016, $10,000 $34,000, 2017 2016,

Note 4 - Inventories

Note 4 - Inventories	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Inventory Disclosure [Text Block]	4 . Inventories Inventories consist ed of the following: December 31, 2017 2016 Raw materials $ 4,567,000 $ 4,313,000 Work in process 1,058,000 2,535,000 Finished goods 4,624,000 4,146,000 $ 10,249,000 $ 10,994,000

Note 5 - Property and Equipment

Note 5 - Property and Equipment	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	5 . Property and Equipment Property and equipment consist ed of the following: December 31, 2017 2016 Buildings $ 493,000 $ 355,000 Machinery and equipment 11,036,000 10,661,000 Office furniture and equipment 1,151,000 1,092,000 Leasehold improvements 507,000 506,000 Software 177,000 - 13,364,000 12,614,000 Less accumulated depreciation and amortization (10,206,000 ) (9,968,000 ) $ 3,158,000 $ 2,646,000 Depreciation and amortization expense for property and equipment was $558,000 $527,000 December 31, 2017 2016,

Note 6 - Goodwill and Intangibl

Note 6 - Goodwill and Intangible Assets	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Goodwill and Intangible Assets Disclosure [Text Block]	6 . Goodwill and Intangible Assets M anagement evaluates goodwill for impairment on an annual basis ( fourth no Definite-lived i ntangible assets, consisting of patents and trademarks, are amortized over their useful lives. Intangible assets consisted of the following: December 31, 2017 December 31, 2016 Weighted Average Amortization Period (Years) Gross Carrying Amount Accumulated Amortization Net Carrying Amount Weighted Average Amortization Period (Years) Gross Carrying Amount Accumulated Amortization Net Carrying Amount Patents and Trademarks 4.0 $ 474,000 $ (453,000 ) $ 21,000 4.0 $ 474,000 $ (440,000 ) $ 34,000 Amortization expense for intangible assets was $13,000 $17,000 December 31, 2017 2016, Estimated future amortization expense related to definite-lived intangible assets is as follows: Years ending December 31, 2018 $ 5,000 2019 3,000 2020 3,000 2021 2,000 2022 2,000 Thereafter 6,000 $ 21,000

Note 7 - Equity Investment in U

Note 7 - Equity Investment in Unconsolidated Affiliate	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Equity Method Investments and Joint Ventures Disclosure [Text Block]	7 . Equity Investment s in Unconsolidated Affiliate In 2005, , Ltd.) entered into a joint venture with a manufacturer in India for the production of building products. Under the terms of the joint venture agreement, a private company, Harmony Plastics Private Limited (“Harmony”), was created with ownership interests of 41.66% 58.34% This joint venture positions Alpha ProTech Engineered Products, Inc. to respond to current and expected increased product demand for housewrap and synthetic roof underlayment and provides future capacity for sales of specialty roofing component products and custom products for industrial applications requiring high quality extrusion coated fabrics. The joint venture also supplies products for the Disposable Protective Apparel segment. The capital from the initial funding and a bank loan, which loan is guaranteed exclusively by the individual shareholders of Maple Industries and associates and collateralized by the assets of Harmony, were utilized to purchase the original manufacturing facility in India. Harmony currently has four three one 1 113,000 2 73,000 3 16,000 4 93,000 no In accordance with ASC 810, Consolidation not 810 not not The Company records its investment in Harmony as “equity investments in unconsolidated affiliate” in the accompanying balance sheets. The Company records its equity interest in Harmony’s results of operations as “equity in income of unconsolidated affiliate” in the accompanying statements of income. The Company reviews annually its investment in Harmony for impairment. Management has determined that no December 31, 2017 2016. For the year s ended December 31, 2017 2016, $14,618,000 $12,761,000 December 31, 2017 2016, $355,000 $498,000, As of December 31, 201 7, $3,893,000, $1,450,000 $3,462,000, $942,000 $77,000

Note 8 - Accrued Liabilities

Note 8 - Accrued Liabilities	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Accounts Payable and Accrued Liabilities Disclosure [Text Block]	8 . Accrued Liabilities Accrued liabilities consisted of the following: December 31, 2017 2016 Payroll expenses and tax payable $ 232,000 $ 556,000 Commission and bonuses payable and general accrued liabilities 1,333,000 904,000 $ 1,565,000 $ 1,460,000

Note 9 - Notes Payable

Note 9 - Notes Payable	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Debt Disclosure [Text Block]	9. Notes Payable The Company maintains a credit facility with Wells Fargo Bank that expires in May 2018. $3,500,000 0.5% 4.50% 3.75% December 31, 2017 2016, 0.5% As of December 31, 20 17, no no

Note 10 - Shareholders' Equity

Note 10 - Shareholders' Equity	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Shareholders' Equity and Share-based Payments [Text Block]	10 . Shareholders’ Equity Repurchase Program During the year ended December 31, 201 7, 1,232,476 $4,226,000. December 31, 2016, 2,453,900 $6,773,000. December 31, 2017, $2,279,000 Option A ctivity The 2004 Stock Option Plan (the “2004 2004 2004 T he 2004 5,000,000 Under the 2004 , approximately 4,290,000 December 31, 2017. 2004 three 2005, no fifth The following table summarizes option activity for the years ended December 31, 2017 2016: Weighted Average Exercise Price Shares Per Option Options outstanding, December 31, 2015 225,000 1.52 Granted to non-employee directors 45,000 3.45 Granted to employees 810,000 2.12 Exercised (15,000 ) 1.15 Canceled/expired/forfeited - - Options outstanding, December 31, 2016 1,065,000 2.06 Granted to non-employee directors 85,000 3.83 Exercised (111,669 ) 1.88 Canceled/expired/forfeited (153,333 ) 1.58 Options outstanding, December 31, 2017 884,998 2.26 Options exercisable, December 31, 2017 333,334 1.98 Stock options to purchase 884,998 1,065,000 December 31, 2017 2016, 130,000 December 31, 2017. The fair value s of the share-based compensation awards granted were estimated using the Black-Scholes option-pricing model with the following assumptions and weighted average fair values: Stock Options For the Years Ended December 31, 2017 2016 Exercise price $ 3.83 $ 2.19 Risk-free interest rate 2.13 % 1.13 % Expected volatility 58.38 % 59.16 % Expected life in years 4.25 4.25 Dividend rate - - Black-Scholes fair value $ 1.81 $ 1.03 The Company used the Black-Scholes option-pricing model to value the options. The Company uses historical data to estimate the expected term of the options. The risk-free interest rate for periods consistent with the expected term of the award is based on the U.S. Treasury rates in effect at the time of grant. The expected volatility is based on historical volatility. The Company uses an estimated dividend payout ratio of zero, as the Company has not not The following table summarizes information about stock options as of December 31, 2017: Options Outstanding Options Exercisable Range of Exercise Prices Options Weighted Average Exercise Price Weighted Average Remaining Contract Life (in years) Aggregate Intrinsic Value Options Weighted Average Exercise Price Weighted Average Remaining Contract Life (in years) Aggregate Intrinsic Value $1.51 - $3.90 884,998 $ 2.26 3.91 $ 1,541,000 333,334 $ 1.98 3.19 $ 673,000 The intrinsic value is the amount by which the market value of the underlying common stock exceeds the exercise price of the respective stock option s. The aggregate intrinsic value of stock options exercised during the years ended December 31, 2017 2016 $177,000 $29,000, As of December 31, 20 17, $528,000 1.54 111,669 December 31, 2017 $210,000 .

Note 11 - Income Taxes

Note 11 - Income Taxes	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Income Tax Disclosure [Text Block]	11. Income Taxes The provision (benefit) for income taxes consisted of the following : For the Years Ended December 31, 2017 2016 Current $ 1,415,000 $ 986,000 Deferred (378,000 ) 21,000 $ 1,037,000 $ 1,007,000 Deferred income tax assets (liabilities) consisted of the following: December 31, 2017 2016 Current deferred income taxes: Foreign tax credits $ - $ 3,000 Temporary differences: Inventory reserve - 101,000 Accrued expenses and inventory - 334,000 Current deferred income tax assets, net $ - $ 438,000 Non-current deferred income taxes: Temporary differences: Property and equipment $ (379,000 ) $ (683,000 ) Intangible assets (4,000 ) (4,000 ) Marketable securities 122,000 112,000 Inventory reserve 60,000 - Accrued expenses and inventory 355,000 - Basis diffence in investments (80,000 ) (129,000 ) Foreign exchange (8,000 ) (12,000 ) Other (26,000 ) (20,000 ) State income taxes (21,000 ) (71,000 ) Non-current deferred income tax assets (liabilities) 19,000 (807,000 ) Net deferred income tax assets (liabilities) $ 19,000 $ (369,000 ) The provision for income taxes differs from the amount that would be obtained by applying the U .S. statutory rate to income before income taxes as a result of the following: For the Years Ended December 31, 2017 2016 Income taxes based on U.S. statutory rate of 34% $ 1,247,000 $ 1,419,000 Non-deductible meals and entertainment 6,000 5,000 Deemed foreign repatriation 468,000 - Domestic manufacturer's deduction (97,000 ) (71,000 ) Foreign taxes (500,000 ) (169,000 ) State taxes 82,000 66,000 Effect of Federal tax rate reduction from 35% to 21% (53,000 ) - Other (116,000 ) (243,000 ) $ 1,037,000 $ 1,007,000 In 2012, ed the Company’s effective tax rate. The Company recorded an uncertain tax position liability of approximately $342,000 December 31, 2012. 2013 $194,000 not fourth 2016, 2013, $194,000 Unrecognized tax benefits during the years ended December 31, 2017 2016 For the Years Ended December 31, 2017 2016 Balance as of January 1 $ - $ 194,000 Gross increase from tax positions taken during the year - - Gross increase from tax positions taken during prior periods - - Reductions to unrecognized tax benefits - (194,000 ) Balance as of December 31 $ - $ -

Note 12 - Commitments and Conti

Note 12 - Commitments and Contingencies	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	12. Commitments and Contingencies Operating Lease Commitments: January 1, 2024. The following summarizes future minimum lease payments required under non-cancelable operating lease agreements: Future Minimum Years Ending December 31, Lease Payments 2018 $ 958,000 2019 615,000 2020 485,000 2021 456,000 2022 450,000 Thereafter 450,000 $ 3,414,000 Total rent expense under operating leases for the years ended December 31, 20 17 2016 $1,047,000 $1,031,000, Legal Proceedings : The Company is presently involved in protracted litigation against a competitor in an action styled Alpha Pro Tech, Inc. v. VWR International, LLC, pending in the U.S. District Court for the Eastern District of Pennsylvania, CV 12 1615, In August 2017, $2 November 2017, February 2018. March 2018. The Company is subject to various pending and threatened litigation actions in the ordinary course of business. Although it is not not

Note 13 - Employee Benefit Plan

Note 13 - Employee Benefit Plans	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Pension and Other Postretirement Benefits Disclosure [Text Block]	13. Employee Benefit Plans The Company has a 401 U.S. employees may 12% 0.5% 1% 1% 2% 12% five $36,000 $39,000 December 31, 2017 2016, The Company does not . Pursuant to his employment agreement with the Company, Lloyd Hoffman, our President and Chief Executive Officer, is contractually entitled to receive from the Company at the conclusion of each fiscal year a cash bonus in an amount equal to 5% $1,000,000. December 2017, 5% 2017, 2017. $118,000 December 31, 2017, $232,000 2016.

Note 14 - Activity of Business

Note 14 - Activity of Business Segments	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	14. Activity of Business Segments The Company operates through three Building Supply: consisting of a line of construction supply weatherization products. The construction supply weatherization products consist of housewrap and synthetic roof underlayment, as well as other woven material. A portion of the Company’s equity in income of unconsolidated affiliate (Harmony) is included in the total segment income for the Building Supply segment. Disposable Protective Apparel: consisting of a complete line of disposable protective clothing, such as shoecovers (including the Aqua Trak® and spunbond shoecovers), bouffant caps, coveralls, frocks, lab coats, gowns and hoods for the pharmaceutical, cleanroom, industrial and medical markets. A portion of the Company’s equity in income of unconsolidated affiliate (Harmony) is included in the total segment income for the Disposable Protective Apparel segment. Infection Control: consisting of a line of face masks and eye shields. The accounting policies of the segments are the same as those described previously under Summary of Significant Accounting Policies (see Note 2 The following table presents net sales for each segment: Years Ended December 31, 2017 2016 Building Supply $ 24,641,000 $ 27,343,000 Disposable Protective Apparel 14,250,000 14,219,000 Infection Control 5,134,000 4,614,000 Consolidated net sales $ 44,025,000 $ 46,176,000 The following table presents the reconciliation of total segment income to total consolidated net income: Years Ended December 31, 2017 2016 Building Supply $ 4,143,000 $ 5,345,000 Disposable Protective Apparel 2,516,000 1,671,000 Infection Control 1,844,000 1,581,000 Total segment income 8,503,000 8,597,000 Unallocated corporate overhead expenses 4,833,000 4,422,000 Provision for income taxes 1,037,000 1,007,000 Consolidated net income $ 2,633,000 $ 3,168,000 The following table presents net sales and long-lived asset information by geographic area: Years Ended December 31, 2017 2016 Net sales by geographic region United States $ 43,169,000 $ 45,068,000 International 856,000 1,108,000 Consolidated net sales $ 44,025,000 $ 46,176,000 As of December 31, 2017 2016 Long-lived assets by geographic region United States $ 2,593,000 $ 2,338,000 International 565,000 308,000 Consolidated total long-lived assets $ 3,158,000 $ 2,646,000 Net sales by geographic region are based on the countries in which the customers are located. For the years ended December 31, 2017 2016, not . The following table presents the consolidated net property, equipment, goodwill and intangible assets by segment : As of December 31, 2017 2016 Disposable Protective Apparel $ 336,000 $ 346,000 Building Supply 2,098,000 2,208,000 Infection Control 13,000 140,000 Total segment assets 2,447,000 2,694,000 Unallocated corporate assets 787,000 41,000 Total consolidated assets $ 3,234,000 $ 2,735,000

Note 15 - Concentration of Risk

Note 15 - Concentration of Risk	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	1 5 . Concentration of Risk The Company maintains its cash in various bank accounts, the balances of which at times may not not The Company ’s investments in marketable securities are in one 2017 2016 Management believes that adequate provision has been made for risk of loss on all credit transactions. The Company buys a significant amount of its disposable protective apparel products from a limited number of subcontractors located in Asia and, to a much lesser extent, a subcontractor in Mexico. Management believes that other suppliers could provide similar products at comparable terms. A change in suppliers, however, could cause a delay in shipment and a possible loss of sales, which would affect operating results adversely. The Building Supply segment buys semi-finished housewrap and synthetic roof underlayment from its joint venture, Harmony, located in India. Although there are a limited number of manufacturers of the particular product, management believes that other suppliers could provide similar products at comparable terms. A change in suppliers, however, could cause a delay in shipment and a possible loss of sales, which would affect operating results adversely. The Company provides products to customers located primarily in the United States. Customers accounting for 10% December 31, 2017 2016, 10% December 31, 2017 2016, Accounts receivable: 2017 2016 Customer A * 11% Customer B 26% 15% Customer C * 21% Net Sales: Customer B 19% 17% Customer C 10% 11% * Customer’s balance was below the 10% December 31, 2017.

Note 16 - Employment Agreements

Note 16 - Employment Agreements	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Employment Agreements [Text Block]	1 6 . Employment Agreements The Company has entered into employment agreements with its current President and Chief Executive Officer and its former President and Chairman, which have terms of approximately five four During the fourth 2017, $619,000, December 31, 2017 2016 $619,000 $0,

Note 17 - Related Party Transac

Note 17 - Related Party Transactions	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	17. Related Party Transactions The Company has historically used a law firm for various legal matters whose majority member was a member of the Company ’s Board of Directors. Effective March 31, 2017, December 31, 2017 2016, $0 $188,000, December 31, 2017 2016 $65,000 $33,000, December 31, 2017 2016, $0 $163,000,

Note 18 - Subsequent Events

Note 18 - Subsequent Events	12 Months Ended
	Dec. 31, 2017
Notes to Financial Statements
Subsequent Events [Text Block]	1 8 . Subsequent Events The Company has reviewed and evaluated whether any additional material subsequent events have occurred from December 31, 201 7 10

Significant Accounting Policies

Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2017
Accounting Policies [Abstract]
Consolidation, Policy [Policy Text Block]	Principles of C onsolidation The consolidated financial statements of the Company include the accounts of the Company and its wholly owned subsidiaries, Alpha Pro Tech, Inc. and Alpha ProTech Engineered Products, Inc. All significant intercompany accounts and transactions have been eliminated in consolidation. Events that occurred after December 31, 20 17
Use of Estimates, Policy [Policy Text Block]	Use of Estimates The preparation of financial st atements in conformity with U.S. generally accepted accounting principles (“U.S. GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses for the reporting period. Actual results could differ from these estimates.
Basis of Accounting, Policy [Policy Text Block]	Periods P resented All amounts have been rounded to the nearest thousand with the exception of the share data. The Company qualified as a smaller reporting company at the measurement date for determining such qualification during 2017. two two
Marketable Securities, Policy [Policy Text Block]	Investments The Company periodically invests a portion of its cash in excess of short-term operating needs in marketable debt and equity securities. These investments are classified as available-for-sale in accordance with U.S. GAAP. The Company does not one The Company ha d an investment in non-trading warrants to purchase common stock in a publicly traded entity. These warrants were derivatives that were carried at fair value in the accompanying balance sheets. Gains or losses from changes in the fair value of the warrants are recognized in the accompanying statements of income in the period in which they occurred.
Receivables, Policy [Policy Text Block]	Accounts Receivable Accounts receivable are recorded at the invoice amount and do not The allowance for doubtful accounts is the Company’s best estimate of the amount of probable credit losses in the Company’s existing accounts receivable; however, changes in circumstances relating to accounts receivable may
Inventory, Policy [Policy Text Block]	Inventories Inventories include freight-in, materials, labor and overhead costs and are stated at the lower of cost or net realizable value. Allowances are recorded for slow-moving, obsolete or unusable inventories. The Company assesses inventories for estimated obsolescence or unmarketable products and writes down the difference between the cost of the inventories and the estimated net realizable values based upon assumptions about future sales and supplies on-hand.
Property, Plant and Equipment, Policy [Policy Text Block]	Property and E quipment Property and equipment are stated at cost less accumulated depreciation and amortization. Costs to develop internal use software are capitalized once the preliminary planning for the software project is complete. Property and equipment are depreciated or amortized using the straight-line method over the shorter of the respective useful lives of the assets or the related lease terms as follows: Buildings (in years) 25 Machinery and equipment (in years) 5 - 15 Office furniture and equipment (in years) 2 - 7 Leasehold improvements (in years) 4 - 5 Software (in years) 5 Expenditures for renewals and betterments are capitalized, whereas costs of maintenance and repairs are charged to operations in the period incurred.
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]	Goodwill and Intangible A ssets The Company accounts for goodwill and definite-lived intangible assets in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 350, Intangibles – Goodwill and Other not 6 5 17
Fair Value of Financial Instruments, Policy [Policy Text Block]	Fair Value of Financial Instruments The estimated fair values of financial instruments are determined based on relevant market information and cannot be determined with precision. The Company’s financial instruments consist primarily of cash and marketable securities. The Company ’s marketable securities are classified as available-for-sale and are carried at fair market value based on quoted market prices.
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]	Impairment of L ong- L ived A ssets The Company reviews long-lived assets for impairment whenever events or changes in its business circumstances indicate that the carrying amounts of the assets may not not not December 31, 2017 2016.
Revenue Recognition, Policy [Policy Text Block]	Revenue R ecognition Sales were recognized when the following criteria were met: ( 1 2 3 4 Shipping costs paid by the customers are included in revenue. Sales are reduced for any anticipated sales returns, rebates and allowances based on historical data.
Shipping and Handling Cost, Policy [Policy Text Block]	Shipping and Handling Costs The costs of shipping product s to distributors are recorded in cost of goods sold.
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]	Stock - Based Compensation The Company maintains a stock option plan under which the Company may . The Company accounts for share-based awards in accordance with ASC 718, Stock Compensation 718 For the years ended December 31, 20 17 2016, 85,000 855,000 $296,000 $190,000 December 31, 2017 2016,
Income Tax, Policy [Policy Text Block]	Income Taxes The Company accounts for income taxes using the asset and liability method. A valuation allowance is recorded to reduce the carrying amounts of deferred income tax assets unless it is more likely than not not not Alpha Pro Tech, Ltd. and its subsidiaries file income tax returns in the U.S. federal jurisdiction, and in various state and foreign jurisdictions. The Tax Cuts and Jobs Act (the Tax Act) was enacted in December 2017. one 35% 21%, January 1, 2018. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to reverse. As a result of the reduction in the U.S. corporate income tax rate from 35% 21% December 31, 2017 (see also Note 11
Earnings Per Share, Policy [Policy Text Block]	Earnings Per Common Share The following table provides a reconciliation of both net income and the number of shares used in the computation of “basic” earnings per common share (“EPS”), which utilizes the weighted average number of common shares outstanding without regard to potential common shares, and “diluted” EPS, which includes all potential common shares which are dilutive for the years ended December 31, 2017 2016. Years Ended December 31, 2017 2016 Net income (numerator) $ 2,633,000 $ 3,168,000 Shares (denominator): Basic weighted average common shares outstanding 14,825,600 16,835,129 Add: Dilutive effect of common stock options 167,409 - Diluted weighted average common shares outstanding 14,993,009 16,835,129 Earnings per common share: Basic $ 0.18 $ 0.19 Diluted $ 0.18 $ 0.19
Foreign Currency Transactions and Translations Policy [Policy Text Block]	Translation of F oreign C urrencies Transactions in foreign currencies are translated into U .S. dollars at the exchange rate prevailing at the transaction date. Monetary assets and liabilities in foreign currencies at each period end are translated at the exchange rate in effect at that date. Transaction gains or losses on foreign currencies are reflected in selling, general and administrative expenses and were not December 31, 2017 2016. The Company does not not not
Research and Development Expense, Policy [Policy Text Block]	Research and Development Costs Research and development costs are expensed as incurred and are included in selling, general and administrative expenses. Such costs were not December 31, 20 17 2016.
Advertising Costs, Policy [Policy Text Block]	Advertising Costs The Company expenses advertising costs as incurred. These costs are included in selling, general and administrative expenses and were $46,000 $39,000 December 31, 2017 2016,
Commitments and Contingencies, Policy [Policy Text Block]	Loss Contingencies The outcomes of legal proceedings and claims brought against the Company are subject to uncertainty. An estimated loss from a loss contingency such as a legal proceeding or claim is accrued if it is probable that an asset has been impaired or a liability has been incurred and the amount of the loss can be reasonably estimated. In determining whether a loss should be accrued , we evaluate, among other factors, the degree of probability of an unfavorable outcome and the ability to make a reasonable estimate of the amount of loss.
Fair Value Measurement, Policy [Policy Text Block]	Fair V alue Measurements ASC 820, Fair Value Measurements and Disclosures three This hierarchy requires the Company to minimize the use of unobservable inputs and to use observable market data, if available, when determining fair value. The fair value s of the Company’s financial assets as of December 31, 2017 2016 • Level 1—Quoted • Level 2—Quoted not • Level 3—Valuations one Fair Value Measurements as of December 31, Total Level 1 Level 2 Level 3 Assets: Marketable securities 2017 $ 343,000 $ 343,000 $ - $ - Marketable securities 2016 607,000 607,000 - - The fair value s for the marketable securities, classified as Level 1,
New Accounting Pronouncements, Policy [Policy Text Block]	New Accounting Standards Accounting Standards Update (“ASU”) 2014 09, 606 2014 09” 2014 09, may 2014 09 first December 15, 2017, not 2014 09 first 2018. ’s financial position and results of operations. In July 2015, 2015 11, 330 Simplifying the Measurement of Inventory 2015 11” first first December 15, 2016, first 2017. In November 2015, 2015 17, 740 December 15, 2016 first 2017. not In January 2016, 2016 01, 825 10 The guidance also changes certain disclosure requirements associated with the fair value of financial instruments. These changes will require an entity to measure, at fair value, investments in equity securities and other ownership interests in an entity and recognize the changes in fair value within net income. The guidance is effective for fiscal years and interim periods within those years beginning after December 15, 2017. January 1, 2018, $458,000, In February 2016, 2016 02, 842 December 15, 2018 not ’s financial position or results of operations. In March 2016, 2016 09, 718 December 15, 2016 March 31, 2017, one $866,000 no In June 2016, 2016 13, – Credit Losses Topic 326, December 15, 2019, not Management periodically reviews new accounting standards that are issued. Management has not at this time.

Note 2 - Summary of Significa27

Note 2 - Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Property, Plant, and Equipment, Useful Lives [Table Text Block]	Buildings (in years) 25 Machinery and equipment (in years) 5 - 15 Office furniture and equipment (in years) 2 - 7 Leasehold improvements (in years) 4 - 5 Software (in years) 5
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Years Ended December 31, 2017 2016 Net income (numerator) $ 2,633,000 $ 3,168,000 Shares (denominator): Basic weighted average common shares outstanding 14,825,600 16,835,129 Add: Dilutive effect of common stock options 167,409 - Diluted weighted average common shares outstanding 14,993,009 16,835,129 Earnings per common share: Basic $ 0.18 $ 0.19 Diluted $ 0.18 $ 0.19
Fair Value, Assets Measured on Recurring Basis [Table Text Block]	Fair Value Measurements as of December 31, Total Level 1 Level 2 Level 3 Assets: Marketable securities 2017 $ 343,000 $ 343,000 $ - $ - Marketable securities 2016 607,000 607,000 - -

Note 3 - Investments (Tables)

Note 3 - Investments (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]	December 31, 2017 2016 Cost basis $ 543,000 $ 543,000 Gain previously recognized on warrants 380,000 380,000 Loss included in accumulated other comprehensive loss (580,000 ) (316,000 ) Fair value $ 343,000 $ 607,000

Note 4 - Inventories (Tables)

Note 4 - Inventories (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Inventory, Current [Table Text Block]	December 31, 2017 2016 Raw materials $ 4,567,000 $ 4,313,000 Work in process 1,058,000 2,535,000 Finished goods 4,624,000 4,146,000 $ 10,249,000 $ 10,994,000

Note 5 - Property and Equipme30

Note 5 - Property and Equipment (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Property, Plant and Equipment [Table Text Block]	December 31, 2017 2016 Buildings $ 493,000 $ 355,000 Machinery and equipment 11,036,000 10,661,000 Office furniture and equipment 1,151,000 1,092,000 Leasehold improvements 507,000 506,000 Software 177,000 - 13,364,000 12,614,000 Less accumulated depreciation and amortization (10,206,000 ) (9,968,000 ) $ 3,158,000 $ 2,646,000

Note 6 - Goodwill and Intangi31

Note 6 - Goodwill and Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Finite-Lived Intangible Assets [Table Text Block]	December 31, 2017 December 31, 2016 Weighted Average Amortization Period (Years) Gross Carrying Amount Accumulated Amortization Net Carrying Amount Weighted Average Amortization Period (Years) Gross Carrying Amount Accumulated Amortization Net Carrying Amount Patents and Trademarks 4.0 $ 474,000 $ (453,000 ) $ 21,000 4.0 $ 474,000 $ (440,000 ) $ 34,000
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	Years ending December 31, 2018 $ 5,000 2019 3,000 2020 3,000 2021 2,000 2022 2,000 Thereafter 6,000 $ 21,000

Note 8 - Accrued Liabilities (T

Note 8 - Accrued Liabilities (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Accrued Liabilities [Table Text Block]	December 31, 2017 2016 Payroll expenses and tax payable $ 232,000 $ 556,000 Commission and bonuses payable and general accrued liabilities 1,333,000 904,000 $ 1,565,000 $ 1,460,000

Note 10 - Shareholders' Equity

Note 10 - Shareholders' Equity (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Share-based Compensation, Stock Options, Activity [Table Text Block]	Weighted Average Exercise Price Shares Per Option Options outstanding, December 31, 2015 225,000 1.52 Granted to non-employee directors 45,000 3.45 Granted to employees 810,000 2.12 Exercised (15,000 ) 1.15 Canceled/expired/forfeited - - Options outstanding, December 31, 2016 1,065,000 2.06 Granted to non-employee directors 85,000 3.83 Exercised (111,669 ) 1.88 Canceled/expired/forfeited (153,333 ) 1.58 Options outstanding, December 31, 2017 884,998 2.26 Options exercisable, December 31, 2017 333,334 1.98
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	Stock Options For the Years Ended December 31, 2017 2016 Exercise price $ 3.83 $ 2.19 Risk-free interest rate 2.13 % 1.13 % Expected volatility 58.38 % 59.16 % Expected life in years 4.25 4.25 Dividend rate - - Black-Scholes fair value $ 1.81 $ 1.03
Share-based Compensation, Activity [Table Text Block]	Options Outstanding Options Exercisable Range of Exercise Prices Options Weighted Average Exercise Price Weighted Average Remaining Contract Life (in years) Aggregate Intrinsic Value Options Weighted Average Exercise Price Weighted Average Remaining Contract Life (in years) Aggregate Intrinsic Value $1.51 - $3.90 884,998 $ 2.26 3.91 $ 1,541,000 333,334 $ 1.98 3.19 $ 673,000

Note 11 - Income Taxes (Tables)

Note 11 - Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	For the Years Ended December 31, 2017 2016 Current $ 1,415,000 $ 986,000 Deferred (378,000 ) 21,000 $ 1,037,000 $ 1,007,000
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	December 31, 2017 2016 Current deferred income taxes: Foreign tax credits $ - $ 3,000 Temporary differences: Inventory reserve - 101,000 Accrued expenses and inventory - 334,000 Current deferred income tax assets, net $ - $ 438,000 Non-current deferred income taxes: Temporary differences: Property and equipment $ (379,000 ) $ (683,000 ) Intangible assets (4,000 ) (4,000 ) Marketable securities 122,000 112,000 Inventory reserve 60,000 - Accrued expenses and inventory 355,000 - Basis diffence in investments (80,000 ) (129,000 ) Foreign exchange (8,000 ) (12,000 ) Other (26,000 ) (20,000 ) State income taxes (21,000 ) (71,000 ) Non-current deferred income tax assets (liabilities) 19,000 (807,000 ) Net deferred income tax assets (liabilities) $ 19,000 $ (369,000 )
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	For the Years Ended December 31, 2017 2016 Income taxes based on U.S. statutory rate of 34% $ 1,247,000 $ 1,419,000 Non-deductible meals and entertainment 6,000 5,000 Deemed foreign repatriation 468,000 - Domestic manufacturer's deduction (97,000 ) (71,000 ) Foreign taxes (500,000 ) (169,000 ) State taxes 82,000 66,000 Effect of Federal tax rate reduction from 35% to 21% (53,000 ) - Other (116,000 ) (243,000 ) $ 1,037,000 $ 1,007,000
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]	For the Years Ended December 31, 2017 2016 Balance as of January 1 $ - $ 194,000 Gross increase from tax positions taken during the year - - Gross increase from tax positions taken during prior periods - - Reductions to unrecognized tax benefits - (194,000 ) Balance as of December 31 $ - $ -

Note 12 - Commitments and Con35

Note 12 - Commitments and Contingencies (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]	Future Minimum Years Ending December 31, Lease Payments 2018 $ 958,000 2019 615,000 2020 485,000 2021 456,000 2022 450,000 Thereafter 450,000 $ 3,414,000

Note 14 - Activity of Busines36

Note 14 - Activity of Business Segments (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	Years Ended December 31, 2017 2016 Building Supply $ 24,641,000 $ 27,343,000 Disposable Protective Apparel 14,250,000 14,219,000 Infection Control 5,134,000 4,614,000 Consolidated net sales $ 44,025,000 $ 46,176,000
Reconciliation of Revenue from Segments to Consolidated [Table Text Block]	Years Ended December 31, 2017 2016 Building Supply $ 4,143,000 $ 5,345,000 Disposable Protective Apparel 2,516,000 1,671,000 Infection Control 1,844,000 1,581,000 Total segment income 8,503,000 8,597,000 Unallocated corporate overhead expenses 4,833,000 4,422,000 Provision for income taxes 1,037,000 1,007,000 Consolidated net income $ 2,633,000 $ 3,168,000
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]	Years Ended December 31, 2017 2016 Net sales by geographic region United States $ 43,169,000 $ 45,068,000 International 856,000 1,108,000 Consolidated net sales $ 44,025,000 $ 46,176,000 As of December 31, 2017 2016 Long-lived assets by geographic region United States $ 2,593,000 $ 2,338,000 International 565,000 308,000 Consolidated total long-lived assets $ 3,158,000 $ 2,646,000
Reconciliation of Assets from Segment to Consolidated [Table Text Block]	As of December 31, 2017 2016 Disposable Protective Apparel $ 336,000 $ 346,000 Building Supply 2,098,000 2,208,000 Infection Control 13,000 140,000 Total segment assets 2,447,000 2,694,000 Unallocated corporate assets 787,000 41,000 Total consolidated assets $ 3,234,000 $ 2,735,000

Note 15 - Concentration of Ri37

Note 15 - Concentration of Risk (Tables)	12 Months Ended
	Dec. 31, 2017
Notes Tables
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]	Accounts receivable: 2017 2016 Customer A * 11% Customer B 26% 15% Customer C * 21% Net Sales: Customer B 19% 17% Customer C 10% 11%

Note 2 - Summary of Significa38

Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Mar. 31, 2017
Asset Impairment Charges		$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		85,000	855,000
Allocated Share-based Compensation Expense		$ 296,000	$ 190,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		34.00%	34.00%
Research and Development Expense		$ 0	$ 0
Advertising Expense		46,000	$ 39,000
Additional Paid-in Capital [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption		(866,000)
Accounting Standards Update 2016-01 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption		$ 458,000
Accounting Standards Update 2016-09 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption				$ 866,000
Accounting Standards Update 2016-09 [Member] | Additional Paid-in Capital [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption				$ (866,000)
Scenario, Forecast [Member]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life		5 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life		17 years

Note 2 - Summary of Significa39

Note 2 - Summary of Significant Accounting Policies - Property and Equipment (Details)	12 Months Ended
	Dec. 31, 2017
Building [Member]
Property and equipment (Year)	25 years
Machinery and Equipment [Member] | Minimum [Member]
Property and equipment (Year)	5 years
Machinery and Equipment [Member] | Maximum [Member]
Property and equipment (Year)	15 years
Furniture and Fixtures [Member] | Minimum [Member]
Property and equipment (Year)	2 years
Furniture and Fixtures [Member] | Maximum [Member]
Property and equipment (Year)	7 years
Leasehold Improvements [Member] | Minimum [Member]
Property and equipment (Year)	4 years
Leasehold Improvements [Member] | Maximum [Member]
Property and equipment (Year)	5 years
Software Development [Member]
Property and equipment (Year)	5 years

Note 2 - Summary of Significa40

Note 2 - Summary of Significant Accounting Policies - Reconciliation of Net Income and Number of Shares Used in Computations of Basic and Diluted EPS (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Net income	$ 2,633,000	$ 3,168,000
Shares (denominator):
Basic weighted average common shares outstanding (in shares)	14,825,600	16,835,129
Add: Dilutive effect of common stock options (in shares)	167,409
Diluted weighted average common shares outstanding (in shares)	14,993,009	16,835,129
Earnings per common share:
Basic earnings per common share (in dollars per share)	$ 0.18	$ 0.19
Diluted earnings per common share (in dollars per share)	$ 0.18	$ 0.19

Note 2 - Summary of Significa41

Note 2 - Summary of Significant Accounting Policies - Fair Value of Financial Assets (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Assets:
Investment	$ 343,000	$ 607,000
Marketable Securities [Member]
Assets:
Investment	343,000	607,000
Marketable Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Investment	343,000	607,000
Marketable Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Investment
Marketable Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Investment

Note 3 - Investments (Details T

Note 3 - Investments (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Available-for-sale Securities, Current	$ 343,000	$ 607,000
Proceeds from Sale and Maturity of Marketable Securities	0
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	(254,000)	(56,000)
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	$ (10,000)	$ (34,000)

Note 3 - Investments - Availabl

Note 3 - Investments - Available-for-sale Marketable Securities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Gain previously recognized on warrants	$ 380,000	$ 380,000
Loss included in accumulated other comprehensive loss	(580,000)	(316,000)
Available-for-sale Securities, Current	343,000	607,000
Marketable Securities [Member]
Cost basis	543,000	543,000
Available-for-sale Securities, Current	$ 343,000	$ 607,000

Note 4 - Inventories - Inventor

Note 4 - Inventories - Inventories (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Raw materials	$ 4,567,000	$ 4,313,000
Work in process	1,058,000	2,535,000
Finished goods	4,624,000	4,146,000
	$ 10,249,000	$ 10,994,000

Note 5 - Property and Equipme45

Note 5 - Property and Equipment (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Depreciation, Depletion and Amortization, Nonproduction	$ 558,000	$ 527,000

Note 5 - Property and Equipme46

Note 5 - Property and Equipment - Property and Equipment (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Buildings	$ 493,000	$ 355,000
Machinery and equipment	11,036,000	10,661,000
Office furniture and equipment	1,151,000	1,092,000
Leasehold improvements	507,000	506,000
Software	177,000
	13,364,000	12,614,000
Less accumulated depreciation and amortization	(10,206,000)	(9,968,000)
	$ 3,158,000	$ 2,646,000

Note 6 - Goodwill and Intangi47

Note 6 - Goodwill and Intangible Assets (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Goodwill, Impairment Loss	$ 0	$ 0
Amortization of Intangible Assets	$ 13,000	$ 17,000

Note 6 - Goodwill and Intangi48

Note 6 - Goodwill and Intangible Assets - Definite-lived Intangible Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Net Carrying Amount	$ 21,000	$ 34,000
Patents and Trademarks [Member]
Weighted Average Amortization Period (Year)	4 years	4 years
Gross Carrying Amount	$ 474,000	$ 474,000
Accumulated Amortization	(453,000)	(440,000)
Net Carrying Amount	$ 21,000	$ 34,000

Note 6 - Goodwill and Intangi49

Note 6 - Goodwill and Intangible Assets - Estimated Future Amortization Expense Related to Definite-lived Intangible Assets (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
2,018	$ 5,000
2,019	3,000
2,020	3,000
2,021	2,000
2,022	2,000
Thereafter	6,000
	$ 21,000	$ 34,000

Note 7 - Equity Investment in50

Note 7 - Equity Investment in Unconsolidated Affiliate (Details Textual)	12 Months Ended		144 Months Ended
	Dec. 31, 2017USD ($)ft²	Dec. 31, 2016USD ($)	Dec. 31, 2017USD ($)ft²	Dec. 31, 2005
Expense To Acquire Inventory	$ 14,618,000	$ 12,761,000
Income (Loss) from Equity Method Investments	$ 355,000	498,000
INDIA | Harmony [Member]
Number of Stores	4		4
Number Of Stores Owned	3		3
Number Of Stores Rented	1		1
INDIA | Harmony [Member] | Manufacturing Building Products [Member]
Area of Real Estate Property | ft²	113,000		113,000
INDIA | Harmony [Member] | Manufacturing Coated Material and Sewing Proprietary Disposable Protective Apparel [Member]
Area of Real Estate Property | ft²	73,000		73,000
INDIA | Harmony [Member] | Sewing Proprietary Disposable Protective Apparel [Member]
Area of Real Estate Property | ft²	16,000		16,000
INDIA | Harmony [Member] | Manufacturing Of Building Products [Member]
Area of Real Estate Property | ft²	93,000		93,000
Harmony [Member]
Equity Method Investment, Other than Temporary Impairment	$ 0	$ 0
Equity Method Investments	3,893,000		$ 3,893,000
Equity Method Investment, Aggregate Cost	1,450,000		1,450,000
Cumulative Equity In Income Of Unconsolidated Affiliate	$ 3,462,000		3,462,000
Proceeds from Equity Method Investment, Distribution, Return of Capital			942,000
Proceeds from Equity Method Investment, Distribution			$ 77,000
Harmony [Member] | Alpha Pro Tech Engineered Products [Member]
Equity Method Investment, Ownership Percentage				41.66%
Harmony [Member] | Maple Industries and Associates [Member]
Equity Method Investment, Ownership Percentage				58.34%

Note 8 - Accrued Liabilities -

Note 8 - Accrued Liabilities - Accrued Liabilities (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Payroll expenses and tax payable	$ 232,000	$ 556,000
Commission and bonuses payable and general accrued liabilities	1,333,000	904,000
	$ 1,565,000	$ 1,460,000

Note 9 - Notes Payable (Details

Note 9 - Notes Payable (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,500,000
Prime Rate	4.50%	3.75%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.50%
Long-term Line of Credit	$ 0
Other Long-term Debt	$ 0
Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	0.50%

Note 10 - Shareholders' Equit53

Note 10 - Shareholders' Equity (Details Textual) - USD ($) xbrli-pure in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Stock Repurchased and Retired During Period, Shares	1,232,476	2,453,900
Payments for Repurchase of Common Stock	$ 4,226,000	$ 6,773,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 2,279,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	85,000	855,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	884,998	1,065,000	225,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 177,000	$ 29,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 528,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 197 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	111,669	15,000
Proceeds from Stock Options Exercised	$ 210,000	$ 17,000
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	130,000
The2004 Plan Member
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	5,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	4,290,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	5 years

Note 10 - Shareholders' Equit54

Note 10 - Shareholders' Equity - Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Options outstanding (in shares)	1,065,000	225,000
Options outstanding (in dollars per share)	$ 2.06	$ 1.52
Granted (in shares)	85,000	855,000
Exercised (in shares)	(111,669)	(15,000)
Exercised (in dollars per share)	$ 1.88	$ 1.15
Canceled/expired/forfeited (in shares)	(153,333)
Canceled/expired/forfeited (in dollars per share)	$ 1.58
Options outstanding (in shares)	884,998	1,065,000
Options outstanding (in dollars per share)	$ 2.26	$ 2.06
Options exercisable (in shares)	333,334
Options exercisable (in dollars per share)	$ 1.98
Non-Employee Directors [Member]
Granted (in shares)	85,000	45,000
Granted (in dollars per share)	$ 3.83	$ 3.45
Employees [Member]
Granted (in shares)		810,000
Granted (in dollars per share)		$ 2.12

Note 10 - Shareholders' Equit55

Note 10 - Shareholders' Equity - Stock Option Valuation Assumptions (Details) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Exercise price (in dollars per share)	$ 3.83	$ 2.19
Risk-free interest rate	2.13%	1.13%
Expected volatility	58.38%	59.16%
Expected life in years (Year)	4 years 91 days	4 years 91 days
Dividend rate	0.00%
Black-Scholes fair value (in dollars per share)	$ 1.81	$ 1.03

Note 10 - Shareholders' Equit56

Note 10 - Shareholders' Equity - Information About Stock Options (Details)	12 Months Ended
	Dec. 31, 2017USD ($)$ / sharesshares
Range of exercise prices, lower limit (in dollars per share)	$ 1.51
Range of exercise prices, upper limit (in dollars per share)	$ 3.90
Options outstanding options (in shares) | shares	884,998
Options outstanding weighted average exercise price (in dollars per share)	$ 2.26
Options outstanding weighted average remaining contract life (Year)	3 years 332 days
Options outstanding aggregate intrinsic value | $	$ 1,541,000
Options exercisable options (in shares) | shares	333,334
Options exercisable weighted average exercise price (in dollars per share)	$ 1.98
Options exercisable weighted average remaining contract life (Year)	3 years 69 days
Options exercisable aggregate intrinsic value | $	$ 673,000

Note 11 - Income Taxes (Details

Note 11 - Income Taxes (Details Textual) - USD ($)	Sep. 30, 2016	Dec. 31, 2013	Dec. 31, 2012
Liability for Uncertainty in Income Taxes, Current	$ 194,000	$ 194,000	$ 342,000

Note 11 - Income Taxes - Provis

Note 11 - Income Taxes - Provision for Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Current	$ 1,415,000	$ 986,000
Deferred income taxes	(378,000)	21,000
	$ 1,037,000	$ 1,007,000

Note 11 - Income Taxes - Deferr

Note 11 - Income Taxes - Deferred Income Tax Assets (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Foreign tax credits		$ 3,000
Temporary differences:
Inventory reserve		101,000
Accrued expenses and inventory		334,000
Current deferred income tax assets, net		438,000
Non-current deferred income taxes:
Property and equipment	(379,000)	(683,000)
Intangible assets	(4,000)	(4,000)
Marketable securities	122,000	112,000
Inventory reserve	60,000
Accrued expenses and inventory	355,000
Basis diffence in investments	(80,000)	(129,000)
Foreign exchange	(8,000)	(12,000)
Other	(26,000)	(20,000)
State income taxes	(21,000)	(71,000)
Non-current deferred income tax assets (liabilities)	19,000
Non-current deferred income tax assets (liabilities)		(807,000)
Net deferred income tax assets (liabilities)	$ 19,000
Net deferred income tax assets (liabilities)		$ (369,000)

Note 11 - Income Taxes - Income

Note 11 - Income Taxes - Income Tax Reconciliation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Income taxes based on U.S. statutory rate of 34%	$ 1,247,000	$ 1,419,000
Non-deductible meals and entertainment	6,000	5,000
Deemed foreign repatriation	468,000
Domestic manufacturer's deduction	(97,000)	(71,000)
Foreign taxes	(500,000)	(169,000)
State taxes	82,000	66,000
Effect of Federal tax rate reduction from 35% to 21%	(53,000)
Other	(116,000)	(243,000)
	$ 1,037,000	$ 1,007,000

Note 11 - Income Taxes - Inco61

Note 11 - Income Taxes - Income Tax Reconciliation (Details) (Parentheticals)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Statutory rate	34.00%	34.00%

Note 11 - Income Taxes - Unreco

Note 11 - Income Taxes - Unrecognized Tax Benefits (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Balance as of January 1		$ 194,000
Gross increase from tax positions taken during the year
Gross increase from tax positions taken during prior periods
Reductions to unrecognized tax benefits		(194,000)
Balance as of December 31

Note 12 - Commitments and Con63

Note 12 - Commitments and Contingencies (Details Textual) - USD ($)	5 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2017	Dec. 31, 2016
Operating Leases, Rent Expense		$ 1,047,000	$ 1,031,000
Pending Litigation [Member] | Alpha Pro Tech, Inc. v. VWR International, LLC [Member]
Loss Contingency, Damages Sought, Value	$ 2,000,000

Note 12 - Commitments and Con64

Note 12 - Commitments and Contingencies - Future Minimum Lease Payments Required Under Non-cancelable Operating Lease (Details)	Dec. 31, 2017USD ($)
2,018	$ 958,000
2,019	615,000
2,020	485,000
2,021	456,000
2,022	450,000
Thereafter	450,000
	$ 3,414,000

Note 13 - Employee Benefit Pl65

Note 13 - Employee Benefit Plans (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	12.00%
Defined Contribution Plan Employers Matching Contribution Vesting Period	5 years
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 36,000	$ 39,000
Accrued Bonuses, Current	1,333,000	904,000
President [Member]
Bonus, Maximum Threshold	$ 1,000,000
Bonus Percentage	5.00%
Accrued Bonuses, Current	$ 118,000	$ 232,000
For Employees Contributing 1 Percent of Gross Earnings [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	0.50%
For Employees Contributing 2 to12 Percent of Gross Earnings [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	1.00%

Note 14 - Activity of Busines66

Note 14 - Activity of Business Segments (Details Textual)	12 Months Ended
	Dec. 31, 2017
Number of Operating Segments	3

Note 14 - Activity of Busines67

Note 14 - Activity of Business Segments - Consolidated Net Sales (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Net sales	$ 44,025,000	$ 46,176,000
Building Supply [Member] | Operating Segments [Member]
Net sales	24,641,000	27,343,000
Disposable Protective Apparel [Member] | Operating Segments [Member]
Net sales	14,250,000	14,219,000
Infection Control [Member] | Operating Segments [Member]
Net sales	$ 5,134,000	$ 4,614,000

Note 14 - Activity of Busines68

Note 14 - Activity of Business Segments - Reconciliation of Total Segment Income to Total Consolidated Net Income (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Consolidated net income	$ 2,633,000	$ 3,168,000
Provision for income taxes	1,037,000	1,007,000
Operating Segments [Member]
Consolidated net income	8,503,000	8,597,000
Operating Segments [Member] | Building Supply [Member]
Consolidated net income	4,143,000	5,345,000
Operating Segments [Member] | Disposable Protective Apparel [Member]
Consolidated net income	2,516,000	1,671,000
Operating Segments [Member] | Infection Control [Member]
Consolidated net income	1,844,000	1,581,000
Corporate, Non-Segment [Member]
Consolidated net income	$ 4,833,000	$ 4,422,000

Note 14 - Activity of Busines69

Note 14 - Activity of Business Segments - Consolidated Net Sales and Long-lived Asset Information by Geographic Area (Details) - Reportable Geographical Components [Member] - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Net sales by geographic region
Consolidated sales	$ 44,025,000	$ 46,176,000
Long-lived assets by geographic region
Consolidated long-lived assets	3,158,000	2,646,000
UNITED STATES
Net sales by geographic region
Consolidated sales	43,169,000	45,068,000
Long-lived assets by geographic region
Consolidated long-lived assets	2,593,000	2,338,000
International Member
Net sales by geographic region
Consolidated sales	856,000	1,108,000
Long-lived assets by geographic region
Consolidated long-lived assets	$ 565,000	$ 308,000

Note 14 - Activity of Busines70

Note 14 - Activity of Business Segments - Consolidated Net Property and Equipment, Goodwill and Intangible Assets (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Consolidated assets	$ 3,234,000	$ 2,735,000
Operating Segments [Member]
Consolidated assets	2,447,000	2,694,000
Corporate, Non-Segment [Member]
Consolidated assets	787,000	41,000
Disposable Protective Apparel [Member] | Operating Segments [Member]
Consolidated assets	336,000	346,000
Building Supply [Member] | Operating Segments [Member]
Consolidated assets	2,098,000	2,208,000
Infection Control [Member] | Operating Segments [Member]
Consolidated assets	$ 13,000	$ 140,000

Note 15 - Concentration of Ri71

Note 15 - Concentration of Risk (Details Textual) - Customer Concentration Risk [Member]	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Sales Revenue, Goods, Net [Member]
Concentration Risk Threshold Percentage	10.00%
Sales Revenue, Net [Member]
Concentration Risk Threshold Percentage		10.00%
Accounts Receivable [Member]
Concentration Risk Threshold Percentage	10.00%	10.00%

Note 15 - Concentration of Ri72

Note 15 - Concentration of Risk - Customer Concentration (Details) - Customer Concentration Risk [Member]	12 Months Ended
	Dec. 31, 2017		Dec. 31, 2016
Accounts Receivable [Member] | Customer A [Member]
Customer		[1]	11.00%
Accounts Receivable [Member] | Customer B [Member]
Customer	26.00%		15.00%
Accounts Receivable [Member] | Customer C [Member]
Customer		[1]	21.00%
Sales Revenue, Net [Member] | Customer B [Member]
Customer	19.00%		17.00%
Sales Revenue, Net [Member] | Customer C [Member]
Customer	10.00%		11.00%
[1]	Customer's balance was below the 10% threshold for receivables as of December 31, 2017.

Note 16 - Employment Agreemen73

Note 16 - Employment Agreements (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Officer [Member]
Employment Agreement Term	5 years
Former CEO [Member]
Deferred Compensation Arrangement with Individual, Recorded Liability	$ 619,000
Deferred Compensation Arrangement With Individual Recorded Liability Current	$ 619,000	$ 0

Note 17 - Related Party Trans74

Note 17 - Related Party Transactions (Details Textual) - Director [Member] - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Legal Services, Related Party [Member]
Related Party Transaction, Expenses from Transactions with Related Party	$ 0	$ 188,000
Payments for Legal Services [Member]
Related Party Transaction, Expenses from Transactions with Related Party	65,000	33,000
Related Law Firm [Member]
Due to Related Parties	$ 0	$ 163,000