LiqTech International (LIQT) 10-Q 15 May 17 2017 Q1 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2017	May 15, 2017
Document Information [Line Items]
Entity Registrant Name	LIQTECH INTERNATIONAL INC
Entity Central Index Key	1,307,579
Trading Symbol	liqt
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)		36,835,514
Document Type	10-Q
Document Period End Date	Mar. 31, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	Q1
Amendment Flag	false

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Current Assets:
Cash	$ 515,467	$ 1,208,650
Accounts receivable, net	1,269,240	1,111,759
Other receivables	310,384	306,177
Cost in excess of billing	615,313	642,700
Inventories	5,223,700	5,174,874
Prepaid expenses	122,981	62,161
Total Current Assets	8,057,085	8,506,321
Property and Equipment, net accumulated depreciation	2,482,797	2,633,558
Other Assets:
Investments at costs	5,354	5,282
Other intangible assets	4,775	5,614
Deposits	264,119	261,553
Total Other Assets	274,248	272,449
Total Assets	10,814,130	11,412,328
Current Liabilities:
Current portion of notes payable	14,244	15,034
Current portion of capital lease obligations	91,405	45,883
Accounts payable	2,489,643	2,262,688
Accrued expenses	2,526,506	2,385,586
Billing in excess of cost	47,145	106,375
Accrued income taxes payable	580	580
Deferred revenue / customers deposits	142,940	192,597
Total Current Liabilities	5,312,463	5,008,743
Long-term notes payable, less current portion	36,821	39,895
Long-term capital lease obligations, less current portion	20,993	93,942
Total Long-Term Liabilities	57,814	133,837
Total Liabilities	5,370,277	5,142,580
Commitment and Contingencies See Note 12
Stockholders' Equity:
Common stock; par value $0.001, 100,000,000 shares authorized 36,835,514 and 36,835,514 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively	36,836	36,836
Additional paid-in capital	36,084,117	36,084,117
Accumulated deficit	(24,784,613)	(24,011,343)
Deferred compensation	(112,383)	(148,561)
Other comprehensive income, net	(5,780,104)	(5,691,301)
Total Stockholders' Equity	5,443,853	6,269,748
Total Liabilities and Stockholders' Equity	$ 10,814,130	$ 11,412,328

Consolidated Balance Sheets (C3

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Mar. 31, 2017	Dec. 31, 2016
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	36,835,514	36,835,514
Common stock, shares outstanding (in shares)	36,835,514	36,835,514

Consolidated Statements of Oper

Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net Sales	$ 2,968,074	$ 3,629,968
Cost of Goods Sold	2,696,657	2,884,010
Gross Profit	271,417	745,958
Operating Expenses:
Selling expenses	450,383	591,068
General and administrative expenses	593,638	755,994
Non-cash compensation expenses	36,178	167,351
Research and development expenses	139,336	188,513
Total Operating Expense	1,219,535	1,702,926
Loss from Operations	(948,118)	(956,968)
Other Income (Expense)
Interest and other income	226
Interest (Expense)	(10,821)	(9,894)
Gain (Loss) on currency transactions	178,675	(12,550)
Gain on sale of fixed assets	6,768
Total Other Income (Expense)	174,848	(22,444)
Loss Before Income Taxes	(773,270)	(979,412)
Income Tax Expense (Benefit)		2,774,283
Net Loss	(773,270)	(3,753,695)
Less Net Loss Attributable To Non-Controlled Interests in Subsidiaries
Net Loss Attributable To LiqTech	$ (773,270)	$ (3,753,695)
Basic Loss Per Share (in dollars per share)	$ (0.02)	$ (0.10)
Weighted Average Common Shares Outstanding (in shares)	36,835,514	39,532,035
Diluted Loss Per Share (in dollars per share)	$ (0.02)	$ (0.10)
Weighted Average Common Shares Outstanding Assuming Dilution (in shares)	36,835,514	39,532,035

Consolidated Statements of Othe

Consolidated Statements of Other Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net Loss	$ (773,270)	$ (3,753,695)
Currency Translation, Net of Taxes	(88,803)	751,304
Other Comprehensive Loss	(862,073)	(3,002,391)
Comprehensive Income (Loss) Attributable To Non-controlling Interest in Subsidiaries
Comprehensive Loss Attributable To LiqTech International Inc.	$ (862,073)	$ (3,002,391)

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows from Operating Activities:
Net Loss	$ (773,270)	$ (3,753,695)
Adjustments to reconcile net (loss) to net cash provided (used) by operations:
Depreciation and amortization	259,493	352,488
Non-cash compensation	36,178	167,351
Bad debt expense		9,211
Reserve for obsolete inventory		108,884
Change in deferred tax asset / liability		2,718,813
Gain on sale of equipment	(6,768)
Changes in assets and liabilities:
(Increase) decrease in restricted cash		292,826
(Increase) decrease in accounts receivable	(161,687)	798,508
(Increase) decrease in inventory	(91,824)	(755,308)
(Increase) decrease in prepaid expenses/deposits	(60,820)	(45,019)
Increase (decrease) in accounts payable	226,956	(1,908,533)
Increase (decrease) in accrued expenses	91,263	(183,297)
Increase (decrease) long-term contracts	(31,843)	1,910,375
Total Adjustments	260,948	3,466,299
Net Cash Used by Operating Activities	(512,322)	(287,396)
Cash Flows from Investing Activities:
Purchase of property and equipment	(58,950)	(51,942)
Proceeds from sale/recovery of property and equipment	10,349
Net Cash Used by Investing Activities	(48,601)	(51,942)
Cash Flows from Financing Activities:
Payments on loans payable	(3,865)	(12,824)
Net payments proceeds on capital lease obligation	(27,427)	(26,347)
Net Cash Used by Financing Activities	(31,292)	(39,171)
Gain (Loss) on Currency Translation	(100,968)	324,458
Net Increase (Decrease) in Cash and Cash Equivalents	(693,183)	(54,051)
Cash and Cash Equivalents at Beginning of Period	1,208,650	1,370,591
Cash and Cash Equivalents at End of Period	515,467	1,316,540
Supplemental Disclosures of Cash Flow Information:
Interest	10,821	9,894
Income Taxes		570
Supplemental Disclosures of Non-Cash Investing and Financing Activities:
Non-cash compensation	36,178	167,351
Total	36,178	167,351
Employee Stock Option [Member]
Adjustments to reconcile net (loss) to net cash provided (used) by operations:
Non-cash compensation	25,519	110,526
Supplemental Disclosures of Non-Cash Investing and Financing Activities:
Non-cash compensation	25,519	110,526
Restricted Stock [Member]
Adjustments to reconcile net (loss) to net cash provided (used) by operations:
Non-cash compensation	6,250	19,417
Supplemental Disclosures of Non-Cash Investing and Financing Activities:
Non-cash compensation	6,250	19,417
Warrants Issued for Services [Member]
Adjustments to reconcile net (loss) to net cash provided (used) by operations:
Non-cash compensation	4,409	37,408
Supplemental Disclosures of Non-Cash Investing and Financing Activities:
Non-cash compensation	$ 4,409	$ 37,408

Consolidated Statements of Cas7

Consolidated Statements of Cash Flows (Unaudited) (Parentheticals)	3 Months Ended
	Mar. 31, 2017USD ($)
Vehicle Purchased on Note Payable	$ 81,643

Note 1 - Summary of Significant

Note 1 - Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Significant Accounting Policies [Text Block]	NOTE 1 Business and Basis of Presentation The consolidated financial statements include the accounts of LiqTech International, Inc. (“Parent”) and its subsidiaries. The terms "Company", “us", "we" and "our" as used in this report refer to Parent and its subsidiaries, which are set forth below. The Company engages in the development, design, production, marketing and sale of automated filtering systems, liquid filters, diesel particulate air filters and kiln furniture in United States, Canada, Europe, Asia and South America. Set forth below is a description of Parent and each of its subsidiaries: LiqTech International, Inc., a Nevada corporation (Parent) organized in July 2004, LiqTech USA, a Delaware corporation and a wholly-owned subsidiary of Parent formed in May 2011. LiqTech International AS, a Danish corporation, incorporated on January 15, 2000 100% LiqTech NA, Inc. (“LiqTech NA”), incorporated in Delaware on July 1, 2005, 100% LiqTech Asia (“LiqTech Asia”) a 60% July 20, 2006, March 6, 2015. LiqTech Germany (“LiqTech Germany”) a 100% December 9, 2011, 2017. LiqTech PTE Ltd, (“LiqTech Sing”) a 95% January 19, 2012, 2017. LiqTech Systems A/S ("LiqTech Systems"), a Danish corporation (formerly Provital Solutions A/S) was incorporated on September 1, 2009 pool and spa markets, marine applications, and a number of industrial applications within Denmark and international markets. The financial statements include the accounts of LiqTech Systems from the date of acquisition on July 31, 2014. Consolidation -- Functional Currency / Foreign Currency Translation -- The functional currency of LiqTech International, Inc., LiqTech USA, Inc. and LiqTech NA is the U.S. Dollar. The Functional Currency of LiqTech Int. DK and LiqTech Systems is the Danish Krone (“DKK”), the functional currency of LiqTech Germany is the Euro and the functional currency of LiqTech Singapore is the Singapore Dollar. The Company’s reporting currency is U.S. Dollar for the purpose of these financial statements. The foreign subsidiaries balance sheet accounts are translated into U.S. Dollars at the period-end exchange rates and all revenue and expenses are translated into U.S. Dollars at the average exchange rates prevailing during the three March 31, 2017 2016. Cash, Cash Equivalents and Restricted Cash -- three no March 31, 2017 December 31, 2016. Accounts Receivable -- The roll forward of the allowance for doubtful accounts for the three March 31, 2017 December 31, 2016 201 7 201 6 Allowance for doubtful accounts at the beginning of the period $ 2,128,452 $ 1,087,871 Bad debt expense - 1,437,949 Amount of receivables written off (25,363 ) (252,792 ) Effect of currency translation 29,199 (144,576 ) Allowance for doubtful accounts at the end of the period $ 2,132,288 $ 2,128,452 Inventory -- first first Property and Equipment -- three ten 4). Long-Term Investments -- may may may Intangible Assets -- 350, two ten Goodwill -- Goodwill is evaluated for impairment annually, and whenever events or changes in circumstances indicate the carrying value of goodwill may may Revenue Recognition and Sales Incentives -- 101, 101), 605 The Company has received long-term contracts for the installation of various water filtrations systems and grants from government entities for development and use of silicon carbide membranes in various water filtration and treatment applications. Revenues from long-term contracts and grants are recognized on the percentage-of-completion method, measured by the percentage of project costs incurred to date to estimated total project costs for each long-term contract or grant multiplied by the long-term contract or grant income on a project-by-project basis. This method is used because management considers costs incurred to be the best available measure of progress on contracts in process. Project costs of the long-term contracts and grants include all direct material and labor costs and those indirect costs related to the project. Project costs are capitalized and accreted into cost of sales based on the percentage of the project completed. Should a loss be estimated on an incomplete project it would be recorded in the period in which such a loss is determined. Changes in estimated profitability of a project are recognized in the period in which the revisions are determined. The aggregate of costs incurred and income recognized on incomplete projects are recorded as costs in excess of billings and are shown as a current asset. The aggregate of billings in excess of related costs incurred and income recognized on projects is shown as a current liability. In Denmark, Value Added Tax (“VAT”) of 25% Advertising Cost -- $2,803 $5,966 three March 31, 2017 2016, Research and Development Cost -- three March 31, 2017 2016 $139,336 $188,513, Income Taxes -- 740 Income (Loss) Per Share -- 260 Stock Options and Awards -- 13. 718, $36,178 $110,526 $2,125 $43,699 three March 31, 2017 2016, Fair Value of Financial Instruments -- 820. three ● Level 1. liabilities; ● Level 2. ● Level 3. reporting entity to develop its own assumptions. Unless otherwise disclosed, the fair value of the Company ’s financial instruments including cash, accounts receivable, prepaid expenses, investments, accounts payable, accrued expenses, capital lease obligations and notes payable approximates their recorded values due to their short-term maturities. Accounting Estimates -- Recent Accounting Pronouncements -- May 2014, July 9 2015, one first 2018 In 2015, was adopted by the Company effective January 1, 2017 In February 2016, one first 2019. In August 2014, 2014 15, ’s Ability to Continue as a Going Concern, that will require management to assess an entity’s ability to continue as a going concern, and to provide related footnote disclosures in certain circumstances. In connection with each annual and interim period, management will assess if there is substantial doubt about an entity’s ability to continue as a going concern within one one 2). In March 2016, 2016 09, ’s shares than previously allowed for tax withholding purposes without triggering liability accounting, allows a company to make a policy election to account for forfeitures as they occur, and eliminates the requirement that excess tax benefits be realized before companies can recognize them. The new guidance also requires excess tax benefits and tax shortfalls to be presented on the cash flow statement as an operating activity rather than as a financing activity, and clarifies that cash paid to a tax authority when shares are withheld to satisfy its statutory income tax withholding obligation are to be presented as a financing activity. The standard was adopted effective January 1, 2017 Other recent accounting pronouncements issued by the FASB did not or are not believed by management to have a material impact on the Company ’s present or future financial statements.

Note 2 - Going Concern

Note 2 - Going Concern	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Substantial Doubt about Going Concern [Text Block]	NOTE 2 The accompanying consolidated financial statements have been prepared in conformity with generally accepted accounting principles of the United States of America, which contemplate continuation of the Company as a going concern. However, the Company has limited cash and incurred significant recent losses. These factors raise substantial doubt about the ability of the Company to continue as a going concern. There is no assurance that the Company will be successful in raising additional cash through the issuance of debt or equity instruments or return to achieving profitable operations. The financial statements do not include any adjustments that might result from the outcome of these uncertainties.

Note 3 - Inventory

Note 3 - Inventory	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Inventory Disclosure [Text Block]	NOTE 3 - INVENTORY Inventory consisted of the following at March 31, 2017 December 31, 2016: 201 7 201 6 Furnace parts and supplies $ 291,247 $ 336,799 Raw materials 1,222,508 1,216,098 Work in process 3,024,630 2,499,242 Finished goods and filtration systems 2,122,632 2,544,080 Reserve for obsolescence (1,437,317 ) (1,421,345 ) Net Inventory $ 5,223,700 $ 5,174,874

Note 4 - Property and Equipment

Note 4 - Property and Equipment	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	NOTE 4 - PROPERTY AND EQUIPMENT Property and equipment consisted of the following at March 31, 2017 December 31, 2016: Useful Life 2017 2016 Production equipment 3 - 10 $ 10,482,041 $ 10,370,462 Lab equipment 3 - 10 77,711 76,658 Computer equipment 3 - 5 187,265 185,652 Vehicles 3 - 5 9,891 39,090 Furniture and fixture 5 151,930 146,453 Leasehold improvements 10 984,803 955,563 11,893,641 11,773,878 Less Accumulated Depreciation (9,410,844 ) (9,140,320 ) Net Property and Equipment $ 2,482,797 $ 2,633,558 Depreciation expense amounted to $ 258,654 $351,743 three March 31, 2017 2016, 9.

Note 5 - Investments at Costs

Note 5 - Investments at Costs	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	NOTE 5 - INVESTMENTS AT COSTS The following tables summarize Level 1, 2 3 As of March 31, 2017 Level 1 Level 2 Level 3 Investments - - 5,354 Total - - 5,354 As of December 31, 201 6 Level 1 Level 2 Level 3 Investments - - 5,282 Total - - 5,282 At March 31, 2017, $5,354 $5,354 At December 31, 2016, $5,282 $5,282

Note 6 - Definite-life Intangib

Note 6 - Definite-life Intangible Assets	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Intangible Assets Disclosure [Text Block]	NOTE 6 - DEFINITE-LIFE INTANGIBLE ASSETS At March 31, 2017 December 31, 2016, $4,775 $5,614, two ten three March 31, 2017 2016 $839 $745, Year ending December 31, Amortization Expenses 2017 2,024 2018 2,270 2019 481 Thereafter - $ 4,775

Note 7 - Goodwill

Note 7 - Goodwill	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Goodwill Disclosure [Text Block]	NOTE 7 - GOODWILL The Company recorded Goodwill in connection with the acquisition of LiqTech Systems . Goodwill is evaluated for impairment annually in the fourth may may $7,343,208 December 31, 2016, 2016 fourth

Note 8 - Notes Payable

Note 8 - Notes Payable	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Long-term Debt [Text Block]	NOTE 8 - NOTES PAYABLE The Company had a 4.02% 51,065 $54,929 March 31, 2017 December 31, 2016. $1,338, August 1, 2020 The following represents the future maturities of long-term debt as of March 31, 2017: Year ending December 31, Payments 201 7 $ 10,621 2018 14,710 2019 15,310 2020 10,424 Thereafter - $ 51,065 Long-term notes payable, less current portion $ 36,821 Current portion of notes payable 14,244 $ 51,065

Note 9 - Lines of Credit

Note 9 - Lines of Credit	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Debt Disclosure [Text Block]	NOTE 9 - LINES OF CREDIT In connection with certain orders, we have to give the customer a working guarantee or a prepay ment guarantee or security bond. For that purpose, we previously had a guarantee credit line of DKK 94,620 $13,600 March 31, 2017) March 31, 2017, 94,620 $13,600)

Note 10 - Leases

Note 10 - Leases	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Leases of Lessee Disclosure [Text Block]	NOTE 1 0 - LEASES Operating Leases -- March 2021, August 2018, May 2018, June 2017. The future minimum lease payments for non-cancelable operating leases having remaining terms in excess of one March 31, 2017 Year ending December 31, Lease Payments 201 7 431,109 201 8 448,639 201 9 179,094 Thereafter 395,898 Total Minimum Lease Payments $ 1,454,740 Lease expense charged to operations was $ 152,100 $185,115 three March 31, 2017 2016, Capital Leases -- The Company leases equipment on various variable rate capital leases currently calling for monthly payments of approximately $9,447, $599 $539 July 2018. March 31, 2017 December 31, 2016, $1,257,402 $1,240,358, $1,161,272 $1,126,550, During the three March 31, 2017 2016, $31,064, $33,915, three March 31, 2017 2016, $5,672 $5,146, The following represents f uture minimum capital lease payments as of March 31, 2017: Year ending December 31, Lease Payments 2017 91,553 2018 24,046 Thereafter - Total minimum lease payments 115,599 Less amount representing interest (3,201 ) Present value of minimum lease payments 112,398 Less Current Portion (91,405 ) $ 20,993

Note 11 - Agreements and Commit

Note 11 - Agreements and Commitments	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	NOTE 1 1 - AGREEMENTS AND COMMITMENTS 401(K) -- LiqTech NA has a 401(k) three March 31, 2017 2016, $2,706 $2,826, Contingencies -- From time to time, we may On September 9, 2014, 60% 40% 750,000 As of May 15, 2017, second 2017. In connection with certain orders, we have to give the customer a working guarantee or a prepayment guarantee or security bond. For that purpose, we have a guarantee line of DKK 94,620 $13,600 March 31, 2017) March 31, 2017, 94,620 $13,600 March 31, 2017)

Note 12 - Income Taxes

Note 12 - Income Taxes	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Income Tax Disclosure [Text Block]	NOTE 1 2 - INCOME TAXES The Company accounts for income taxes in accordance with FASB ASC Topic 740, which requires the Company to provide a net deferred tax asset or liability equal to the expected future tax benefit or expense of temporary reporting differences between book and tax accounting and any available operating loss or tax credit carry forwards. The amount of and ultimate realization of the benefits from the deferred tax assets for income tax purposes is dependent, in part, upon the tax laws in effect, the Company’s future earnings, and other future events, the effects of which cannot be determined. In accordance with prevailing accounting guidance, the Company is required to recognize and disclose any income tax uncertainties. The guidance provides a two first second 50%, As of March 31, 2017, $11,723,000 2036; $6,649,000 $437,000 $571,000 As of March 31, 2017 December 31, 2016, $3,655,000 $3,542,000 $1,157,000 $1,095,000 $122,000 $122,000 $97,000 $97,000 March 31, 2017 $113,000, $62,000, $0 $0 The Company is not relying on the reversal of deferred tax liabilities to realize the deferred tax assets. The same variable used by the Company in evaluating goodwill for impairment was used in assessing the realization of deferred tax assets (See Note 7). The Company further considered the following positive and negative evidence: Positive Evidence 1 ) The Company executed in a Diesel Particular Filtration supplier contract with a Chinese entity. 2 ) For Danish tax purposes the Company is able to obtain tax refunds for research and development expenditures. Negative Evidence 1) 2) December 31, 2016 2015. 3) 4) The temporary differences, tax credits and carry forwards gave rise to the following deferred tax asset (liabilities) at March 31, 2017 December 31, 2016: 201 7 201 6 Vacation accrual $ 5,450 $ 5,450 Allowance for doubtful accounts 1,202 1,202 Reserve for obsolete inventory 201,694 200,118 Valuation allowance (208,346 ) (206,770 ) Net current tax assets $ - $ - Business tax credit carryover 30,935 30,935 Danish R&D credits 8,500 8,500 Net operating loss carryover 5,174,819 4,906,974 Excess of book over tax depreciation (295,168 ) (296,227 ) Valuation allowance (4,919,086 ) (4,650,182 ) Long term deferred tax asset $ - $ - A reconciliation of income tax expense at the federal statutory rate to income tax expense at the Company ’s effective rate is as follows for the three March 31, 2017 2016: 201 7 201 6 Computed tax at expected statutory rate $ (262,912 ) $ (333,000 ) S tate and local income taxes, net of federal benefit (3,721 ) - Non-US income taxed at different rates 21,369 28,359 Valuation allowance 245,264 3,078,927 Other - - Income tax expense (benefit) $ - $ 2,774,283 The components of income tax expense (benefit) from continuing operations for the three March 31, 2017 2016 201 7 201 6 Current income tax expense: Danish $ - $ - Federal - - State - - Current tax (benefit) $ - $ - Book in excess of tax depreciation $ - $ - Deferred rent - - Business tax credit carryover - - Net operating loss carryover (245,263 ) (304,418 ) Valuation allowance 245,263 3,078,701 Deferred compensation - - Accrued vacation - - Reserve for obsolete inventory - - Deferred tax expense (benefit) $ - $ 2,774,283 Total tax expense (benefit) $ - $ 2,774,283 Deferred income tax expense / (benefit) results primarily from the reversal of temporary timing differences between tax and financial statement income. The Company files Danish, U.S. federal and Minnesota state income tax returns. LiqTech International AS is generally no longer subject to tax examinations for years prior to 2011 2013

Note 13 - Income (Loss) Per Sha

Note 13 - Income (Loss) Per Share	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Earnings Per Share [Text Block]	NOTE 1 3 - INCOME (LOSS) PER SHARE The following data shows the amounts used in computing earnings per share and the effect on income and the weighted average number of shares of potential dilutive common stock for the three March 31, 2017 2016: For the Three Months Ended March 3 1 201 7 201 6 Profit (Loss) attributable to LiqTech International Inc. $ (773,270 ) $ (3,753,695 ) Weighted average number of common shares used in basic earnings per share 36,835,514 39,532,035 Effect of dilutive securities, stock options and warrants - - Weighted average number of common shares and potentially dilutive securities 36,835,514 39,532,035 For the three March 31, 2017, 630,000 $0.74 $1.01 700,000 warrants outstanding to purchase shares of common stock of Parent at $0.81 $1.65 For the three March 31, 2016, 1,071,000 ptions outstanding to purchase shares of common stock of Parent at $0.74 $1.90 7,325,575 $0.81 $4.06

Note 14 - Stockholders' Equity

Note 14 - Stockholders' Equity	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Stockholders' Equity Note Disclosure [Text Block]	NOTE 1 4 - STOCKHOLDERS' EQUITY Common Stock -- Parent has 100,000,000 $0.001 March 31, 2017 December 31, 2016, 36,835,514 36,835,514 Voting -- one Dividends -- may may Liquidation Rights -- Other Matters -- Preferred Stock -- Our Board of Directors has the authority to issue Parent preferred stock in one may may Common Stock Cancelation On December 31, 2016, 2,696,521 Systems (formerly Provital Solutions A/S), as LiqTech Systems failed to meet the 2014, 2015 2016 Common Stock Issuance On April 13, 2015, 100,000 $75,000 33,333 January 1, 2016, 33,333 January 1, 2017 33,334 January 1, 2018. For the three March 31, 2017 2016, $6,250 $19,417 Common Stock Purchase Warrants A summary of the status of the warrants outstanding at March 31, 2017 Warrants Outstanding Warrants Exercisable Exercise Prices Number Outstanding Weighted Average Remaining Contractual Life (years) Weighted Average Exercise Price Number Exercisable Weighted Average Exercise Price $ 0.81 100,000 0.75 $ 0.81 100,000 $ 0.81 $ 1.00 200,000 0.75 $ 1.00 133,333 $ 1.00 $ 1.65 400,000 2.33 $ 1.65 400,000 $ 1.65 Total 700,000 1.65 $ 1.34 633,333 $ 1.38 At March 31, 2017, 66,667 $4,409 three March 31, 2017 The exercise price of the warrants and the number of shares underlying the warrants are subject to adjustment for stock dividends, subdivisions of the outstanding shares of common stock and combinations of the outstanding shares of common stock. For so long as the warrants remain outstanding, we are required to keep reserved from our authorized and unissued shares of common stock a sufficient number of shares to provide for the issuance of the shares of common stock underlying the warrants. On February 15, 2016, 100,000 of common stock at an exercise price of $0.81 December 31, 2017. Stock Options In August 2011, ’s Board of Directors adopted a Stock Option Plan (the “Plan”). Under the terms and conditions of the Plan, the Board of Directors is empowered to grant stock options to employees, officers, and directors of the Company. At March 31, 2017, 630,000 The Company recognizes compensation costs for stock option awards to employees based on their grant-date fair value. The value of each stock option is estimated on the date of grant using the Black-Scholes option-pricing model. The weighted-average assumptions used to estimate the fair values of the stock options granted using the Black-Scholes option-pricing model are as follows: LiqTech International, Inc. Expected term (in years) 5 - 10 Volatility 74.65% - 76.87% Risk free interest rate 1.38% - 2.24% Dividend yield 0% The Company recognized stock based compensation expense related to the options of $25,519 $110,526 three March 31, 2017 2016, March 31, 2017, $80,408 December 31, 2025. A summary of the status of the options outstanding under the Plan at March 31, 2017 Options Outstanding Options Exercisable Exercise Prices Number Outstanding Weighted Average Remaining Contractual Life (years) Weighted Average Exercise Price Number Exercisable Weighted Average Exercise Price $ 0.74 400,000 3.37 $ 0.74 133,334 $ 0.74 $ 0.75 100,000 3.04 $ 0.75 33,333 $ 0.75 $ 1.01 130,000 8.72 $ 1.01 130,000 $ 1.01 Total 630,000 4.42 $ 0.80 296,667 $ 0.86 A summary of the status of the options at March 31, 2017, March 31, 2017 Shares Weighted Average Exercise Price Average Remaining Life Weighted Average Intrinsic Value Outstanding at beginning of period 868,000 $ 1.10 3.41 $ - Granted - - - - Exercised - - - - Forfeited - - - - Expired (238,000 ) 1.90 - - Outstanding at end of period 630,000 $ 0.80 4.42 $ - Vested and expected to vest 630,000 $ 0.80 4.42 $ - Exercisable end of period 296,667 $ 0.86 5.68 $ - At March 31, 2017, 333,333 with a weighted average exercise price of $0.74 $0.46, $80,408, 1.0 The total intrinsic value of options at March 31, 2017 $0. March 31, 2017

Note 15 - Significant Customers

Note 15 - Significant Customers / Concentration	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	NOTE 1 5 - SIGNIFICANT CUSTOMERS / CONCENTRATION For the three March 31, 2017, four 22%, 21%, 9% 7%, 59% For the three March 31, 2016, four 34%, 7%, 6% 4% 51% The Company sells products throughout the world; sales by geographical region are as follows for the three March 31, 2017 2016: For the Three Months Ended March 3 1 , 201 7 201 6 United States and Canada $ 226,796 $ 210,381 Australia 177,736 128,497 South America 37,599 71,595 Asia 670,242 14,656 Europe 1,855,701 3,204,839 $ 2,968,074 $ 3,629,968 The Company ’s sales by product line are as follows for the three March 31, 2017 2016: For the Three Months Ended March 3 1 , 201 7 201 6 Ceramic diesel particulate $ 2,283,176 $ 1,423,106 Liquid filters and systems 620,071 2,179,236 Kiln furniture 64,827 27,626 $ 2,968,074 $ 3,629,968

Note 16 - Subsequent Events

Note 16 - Subsequent Events	3 Months Ended
	Mar. 31, 2017
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 1 6 – SUBSEQUENT EVENTS On March 1, 2017, February 28, 2017. amended the Investment Agreement and the deadline for completion of the USD 4 April 15, 2017, Except as s et forth above, the Company's management reviewed material events through May 12, 2017

Significant Accounting Policies

Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2017
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	Business and Basis of Presentation The consolidated financial statements include the accounts of LiqTech International, Inc. (“Parent”) and its subsidiaries. The terms "Company", “us", "we" and "our" as used in this report refer to Parent and its subsidiaries, which are set forth below. The Company engages in the development, design, production, marketing and sale of automated filtering systems, liquid filters, diesel particulate air filters and kiln furniture in United States, Canada, Europe, Asia and South America. Set forth below is a description of Parent and each of its subsidiaries: LiqTech International, Inc., a Nevada corporation (Parent) organized in July 2004, LiqTech USA, a Delaware corporation and a wholly-owned subsidiary of Parent formed in May 2011. LiqTech International AS, a Danish corporation, incorporated on January 15, 2000 100% LiqTech NA, Inc. (“LiqTech NA”), incorporated in Delaware on July 1, 2005, 100% LiqTech Asia (“LiqTech Asia”) a 60% July 20, 2006, March 6, 2015. LiqTech Germany (“LiqTech Germany”) a 100% December 9, 2011, 2017. LiqTech PTE Ltd, (“LiqTech Sing”) a 95% January 19, 2012, 2017. LiqTech Systems A/S ("LiqTech Systems"), a Danish corporation (formerly Provital Solutions A/S) was incorporated on September 1, 2009 pool and spa markets, marine applications, and a number of industrial applications within Denmark and international markets. The financial statements include the accounts of LiqTech Systems from the date of acquisition on July 31, 2014.
Consolidation, Policy [Policy Text Block]	Consolidation --
Foreign Currency Transactions and Translations Policy [Policy Text Block]	Functional Currency / Foreign Currency Translation -- The functional currency of LiqTech International, Inc., LiqTech USA, Inc. and LiqTech NA is the U.S. Dollar. The Functional Currency of LiqTech Int. DK and LiqTech Systems is the Danish Krone (“DKK”), the functional currency of LiqTech Germany is the Euro and the functional currency of LiqTech Singapore is the Singapore Dollar. The Company’s reporting currency is U.S. Dollar for the purpose of these financial statements. The foreign subsidiaries balance sheet accounts are translated into U.S. Dollars at the period-end exchange rates and all revenue and expenses are translated into U.S. Dollars at the average exchange rates prevailing during the three March 31, 2017 2016.
Cash and Cash Equivalents, Policy [Policy Text Block]	Cash, Cash Equivalents and Restricted Cash -- three no March 31, 2017 December 31, 2016.
Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block]	Accounts Receivable -- The roll forward of the allowance for doubtful accounts for the three March 31, 2017 December 31, 2016 201 7 201 6 Allowance for doubtful accounts at the beginning of the period $ 2,128,452 $ 1,087,871 Bad debt expense - 1,437,949 Amount of receivables written off (25,363 ) (252,792 ) Effect of currency translation 29,199 (144,576 ) Allowance for doubtful accounts at the end of the period $ 2,132,288 $ 2,128,452
Inventory, Policy [Policy Text Block]	Inventory -- first first
Property, Plant and Equipment, Policy [Policy Text Block]	Property and Equipment -- three ten 4).
Investment, Policy [Policy Text Block]	Long-Term Investments -- may may may
Goodwill and Intangible Assets, Policy [Policy Text Block]	Intangible Assets -- 350, two ten
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]	Goodwill -- Goodwill is evaluated for impairment annually, and whenever events or changes in circumstances indicate the carrying value of goodwill may may
Revenue Recognition, Policy [Policy Text Block]	Revenue Recognition and Sales Incentives -- 101, 101), 605 The Company has received long-term contracts for the installation of various water filtrations systems and grants from government entities for development and use of silicon carbide membranes in various water filtration and treatment applications. Revenues from long-term contracts and grants are recognized on the percentage-of-completion method, measured by the percentage of project costs incurred to date to estimated total project costs for each long-term contract or grant multiplied by the long-term contract or grant income on a project-by-project basis. This method is used because management considers costs incurred to be the best available measure of progress on contracts in process. Project costs of the long-term contracts and grants include all direct material and labor costs and those indirect costs related to the project. Project costs are capitalized and accreted into cost of sales based on the percentage of the project completed. Should a loss be estimated on an incomplete project it would be recorded in the period in which such a loss is determined. Changes in estimated profitability of a project are recognized in the period in which the revisions are determined. The aggregate of costs incurred and income recognized on incomplete projects are recorded as costs in excess of billings and are shown as a current asset. The aggregate of billings in excess of related costs incurred and income recognized on projects is shown as a current liability. In Denmark, Value Added Tax (“VAT”) of 25%
Advertising Costs, Policy [Policy Text Block]	Advertising Cost -- $2,803 $5,966 three March 31, 2017 2016,
Research, Development, and Computer Software, Policy [Policy Text Block]	Research and Development Cost -- three March 31, 2017 2016 $139,336 $188,513,
Income Tax, Policy [Policy Text Block]	Income Taxes -- 740
Earnings Per Share, Policy [Policy Text Block]	Income (Loss) Per Share -- 260
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]	Stock Options and Awards -- 13. 718, $36,178 $110,526 $2,125 $43,699 three March 31, 2017 2016,
Fair Value Measurement, Policy [Policy Text Block]	Fair Value of Financial Instruments -- 820. three ● Level 1. liabilities; ● Level 2. ● Level 3. reporting entity to develop its own assumptions. Unless otherwise disclosed, the fair value of the Company ’s financial instruments including cash, accounts receivable, prepaid expenses, investments, accounts payable, accrued expenses, capital lease obligations and notes payable approximates their recorded values due to their short-term maturities.
Use of Estimates, Policy [Policy Text Block]	Accounting Estimates --
New Accounting Pronouncements, Policy [Policy Text Block]	Recent Accounting Pronouncements -- May 2014, July 9 2015, one first 2018 In 2015, was adopted by the Company effective January 1, 2017 In February 2016, one first 2019. In August 2014, 2014 15, ’s Ability to Continue as a Going Concern, that will require management to assess an entity’s ability to continue as a going concern, and to provide related footnote disclosures in certain circumstances. In connection with each annual and interim period, management will assess if there is substantial doubt about an entity’s ability to continue as a going concern within one one 2). In March 2016, 2016 09, ’s shares than previously allowed for tax withholding purposes without triggering liability accounting, allows a company to make a policy election to account for forfeitures as they occur, and eliminates the requirement that excess tax benefits be realized before companies can recognize them. The new guidance also requires excess tax benefits and tax shortfalls to be presented on the cash flow statement as an operating activity rather than as a financing activity, and clarifies that cash paid to a tax authority when shares are withheld to satisfy its statutory income tax withholding obligation are to be presented as a financing activity. The standard was adopted effective January 1, 2017 Other recent accounting pronouncements issued by the FASB did not or are not believed by management to have a material impact on the Company ’s present or future financial statements.

Note 1 - Summary of Significa25

Note 1 - Summary of Significant Accounting Policies (Tables)	3 Months Ended
	Mar. 31, 2017
Notes Tables
Allowance for Credit Losses on Financing Receivables [Table Text Block]	201 7 201 6 Allowance for doubtful accounts at the beginning of the period $ 2,128,452 $ 1,087,871 Bad debt expense - 1,437,949 Amount of receivables written off (25,363 ) (252,792 ) Effect of currency translation 29,199 (144,576 ) Allowance for doubtful accounts at the end of the period $ 2,132,288 $ 2,128,452

Note 3 - Inventory (Tables)

Note 3 - Inventory (Tables)	3 Months Ended
	Mar. 31, 2017
Notes Tables
Schedule of Inventory, Current [Table Text Block]	201 7 201 6 Furnace parts and supplies $ 291,247 $ 336,799 Raw materials 1,222,508 1,216,098 Work in process 3,024,630 2,499,242 Finished goods and filtration systems 2,122,632 2,544,080 Reserve for obsolescence (1,437,317 ) (1,421,345 ) Net Inventory $ 5,223,700 $ 5,174,874

Note 4 - Property and Equipme27

Note 4 - Property and Equipment (Tables)	3 Months Ended
	Mar. 31, 2017
Notes Tables
Property, Plant and Equipment [Table Text Block]	Useful Life 2017 2016 Production equipment 3 - 10 $ 10,482,041 $ 10,370,462 Lab equipment 3 - 10 77,711 76,658 Computer equipment 3 - 5 187,265 185,652 Vehicles 3 - 5 9,891 39,090 Furniture and fixture 5 151,930 146,453 Leasehold improvements 10 984,803 955,563 11,893,641 11,773,878 Less Accumulated Depreciation (9,410,844 ) (9,140,320 ) Net Property and Equipment $ 2,482,797 $ 2,633,558

Note 5 - Investments at Costs (

Note 5 - Investments at Costs (Tables)	3 Months Ended
	Mar. 31, 2017
Notes Tables
Fair Value, by Balance Sheet Grouping [Table Text Block]	As of March 31, 2017 Level 1 Level 2 Level 3 Investments - - 5,354 Total - - 5,354 As of December 31, 201 6 Level 1 Level 2 Level 3 Investments - - 5,282 Total - - 5,282

Note 6 - Definite-life Intang29

Note 6 - Definite-life Intangible Assets (Tables)	3 Months Ended
	Mar. 31, 2017
Notes Tables
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	Year ending December 31, Amortization Expenses 2017 2,024 2018 2,270 2019 481 Thereafter - $ 4,775

Note 8 - Notes Payable (Tables)

Note 8 - Notes Payable (Tables)	3 Months Ended
	Mar. 31, 2017
Notes Tables
Schedule of Maturities of Long-term Debt [Table Text Block]	Year ending December 31, Payments 201 7 $ 10,621 2018 14,710 2019 15,310 2020 10,424 Thereafter - $ 51,065 Long-term notes payable, less current portion $ 36,821 Current portion of notes payable 14,244 $ 51,065

Note 10 - Leases (Tables)

Note 10 - Leases (Tables)	3 Months Ended
	Mar. 31, 2017
Notes Tables
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]	Year ending December 31, Lease Payments 201 7 431,109 201 8 448,639 201 9 179,094 Thereafter 395,898 Total Minimum Lease Payments $ 1,454,740
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]	Year ending December 31, Lease Payments 2017 91,553 2018 24,046 Thereafter - Total minimum lease payments 115,599 Less amount representing interest (3,201 ) Present value of minimum lease payments 112,398 Less Current Portion (91,405 ) $ 20,993

Note 12 - Income Taxes (Tables)

Note 12 - Income Taxes (Tables)	3 Months Ended
	Mar. 31, 2017
Notes Tables
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	201 7 201 6 Vacation accrual $ 5,450 $ 5,450 Allowance for doubtful accounts 1,202 1,202 Reserve for obsolete inventory 201,694 200,118 Valuation allowance (208,346 ) (206,770 ) Net current tax assets $ - $ - Business tax credit carryover 30,935 30,935 Danish R&D credits 8,500 8,500 Net operating loss carryover 5,174,819 4,906,974 Excess of book over tax depreciation (295,168 ) (296,227 ) Valuation allowance (4,919,086 ) (4,650,182 ) Long term deferred tax asset $ - $ -
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	201 7 201 6 Computed tax at expected statutory rate $ (262,912 ) $ (333,000 ) S tate and local income taxes, net of federal benefit (3,721 ) - Non-US income taxed at different rates 21,369 28,359 Valuation allowance 245,264 3,078,927 Other - - Income tax expense (benefit) $ - $ 2,774,283
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	201 7 201 6 Current income tax expense: Danish $ - $ - Federal - - State - - Current tax (benefit) $ - $ - Book in excess of tax depreciation $ - $ - Deferred rent - - Business tax credit carryover - - Net operating loss carryover (245,263 ) (304,418 ) Valuation allowance 245,263 3,078,701 Deferred compensation - - Accrued vacation - - Reserve for obsolete inventory - - Deferred tax expense (benefit) $ - $ 2,774,283 Total tax expense (benefit) $ - $ 2,774,283

Note 13 - Income (Loss) Per S33

Note 13 - Income (Loss) Per Share (Tables)	3 Months Ended
	Mar. 31, 2017
Notes Tables
Schedule of Weighted Average Number of Shares [Table Text Block]	For the Three Months Ended March 3 1 201 7 201 6 Profit (Loss) attributable to LiqTech International Inc. $ (773,270 ) $ (3,753,695 ) Weighted average number of common shares used in basic earnings per share 36,835,514 39,532,035 Effect of dilutive securities, stock options and warrants - - Weighted average number of common shares and potentially dilutive securities 36,835,514 39,532,035

Note 14 - Stockholders' Equity

Note 14 - Stockholders' Equity (Tables)	3 Months Ended
	Mar. 31, 2017
Notes Tables
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]	Warrants Outstanding Warrants Exercisable Exercise Prices Number Outstanding Weighted Average Remaining Contractual Life (years) Weighted Average Exercise Price Number Exercisable Weighted Average Exercise Price $ 0.81 100,000 0.75 $ 0.81 100,000 $ 0.81 $ 1.00 200,000 0.75 $ 1.00 133,333 $ 1.00 $ 1.65 400,000 2.33 $ 1.65 400,000 $ 1.65 Total 700,000 1.65 $ 1.34 633,333 $ 1.38
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	LiqTech International, Inc. Expected term (in years) 5 - 10 Volatility 74.65% - 76.87% Risk free interest rate 1.38% - 2.24% Dividend yield 0%
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]	Options Outstanding Options Exercisable Exercise Prices Number Outstanding Weighted Average Remaining Contractual Life (years) Weighted Average Exercise Price Number Exercisable Weighted Average Exercise Price $ 0.74 400,000 3.37 $ 0.74 133,334 $ 0.74 $ 0.75 100,000 3.04 $ 0.75 33,333 $ 0.75 $ 1.01 130,000 8.72 $ 1.01 130,000 $ 1.01 Total 630,000 4.42 $ 0.80 296,667 $ 0.86
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]	March 31, 2017 Shares Weighted Average Exercise Price Average Remaining Life Weighted Average Intrinsic Value Outstanding at beginning of period 868,000 $ 1.10 3.41 $ - Granted - - - - Exercised - - - - Forfeited - - - - Expired (238,000 ) 1.90 - - Outstanding at end of period 630,000 $ 0.80 4.42 $ - Vested and expected to vest 630,000 $ 0.80 4.42 $ - Exercisable end of period 296,667 $ 0.86 5.68 $ -

Note 15 - Significant Custome35

Note 15 - Significant Customers / Concentration (Tables)	3 Months Ended
	Mar. 31, 2017
Notes Tables
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]	For the Three Months Ended March 3 1 , 201 7 201 6 United States and Canada $ 226,796 $ 210,381 Australia 177,736 128,497 South America 37,599 71,595 Asia 670,242 14,656 Europe 1,855,701 3,204,839 $ 2,968,074 $ 3,629,968
Reconciliation of Revenue from Segments to Consolidated [Table Text Block]	For the Three Months Ended March 3 1 , 201 7 201 6 Ceramic diesel particulate $ 2,283,176 $ 1,423,106 Liquid filters and systems 620,071 2,179,236 Kiln furniture 64,827 27,626 $ 2,968,074 $ 3,629,968

Note 1 - Summary of Significa36

Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Advertising Expense	$ 2,803	$ 5,966
Research and Development Expense	139,336	188,513
Allocated Share-based Compensation Expense	36,178	167,351
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	2,125	43,699
Cash, Uninsured Amount	0		$ 0
Employee Stock Option [Member]
Allocated Share-based Compensation Expense	$ 36,178	$ 110,526
DENMARK
Value Added Tax Of Invoice, Percentage	25.00%
Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Finite-Lived Intangible Asset, Useful Life	2 years
Maximum [Member]
Property, Plant and Equipment, Useful Life	10 years
Finite-Lived Intangible Asset, Useful Life	10 years
LiqTech USA [Member] | LiqTech International DK [Member]
Percentage of Subsidiary Owned	100.00%
LiqTech USA [Member] | LiqTech NA [Member]
Percentage of Subsidiary Owned	100.00%
LiqTech International DK [Member] | LiqTech Asia [Member]
Percentage of Subsidiary Owned	60.00%
LiqTech International DK [Member] | LiqTech Germany [Member]
Percentage of Subsidiary Owned	100.00%
LiqTech International DK [Member] | LiqTech PTE [Member]
Percentage of Subsidiary Owned	95.00%

Note 1 - Summary of Significa37

Note 1 - Summary of Significant Accounting Policies - Rollforward for Allowance for Doubtful Accounts (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Allowance for doubtful accounts at the beginning of the period	$ 2,128,452	$ 1,087,871	$ 1,087,871
Bad debt expense		$ 9,211	1,437,949
Amount of receivables written off	(25,363)		(252,792)
Effect of currency translation	29,199		(144,576)
Allowance for doubtful accounts at the end of the period	$ 2,132,288		$ 2,128,452

Note 3 - Inventory - Schedule o

Note 3 - Inventory - Schedule of Inventory (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Furnace parts and supplies	$ 291,247	$ 336,799
Raw materials	1,222,508	1,216,098
Work in process	3,024,630	2,499,242
Finished goods and filtration systems	2,122,632	2,544,080
Reserve for obsolescence	(1,437,317)	(1,421,345)
Net Inventory	$ 5,223,700	$ 5,174,874

Note 4 - Property and Equipme39

Note 4 - Property and Equipment (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Depreciation	$ 258,654	$ 351,743

Note 4 - Property and Equipme40

Note 4 - Property and Equipment - Schedule of Property and Equipment (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Property and equipment, gross	$ 11,893,641	$ 11,773,878
Less Accumulated Depreciation	(9,410,844)	(9,140,320)
Net Property and Equipment	2,482,797	2,633,558
Production Equipment [Member]
Property and equipment, gross	10,482,041	10,370,462
Lab Equipment [Member]
Property and equipment, gross	77,711	76,658
Computer Equipment [Member]
Property and equipment, gross	187,265	185,652
Vehicles [Member]
Property and equipment, gross	$ 9,891	39,090
Furniture and Fixtures [Member]
Useful Life (Year)	5 years
Property and equipment, gross	$ 151,930	146,453
Leasehold Improvements [Member]
Useful Life (Year)	10 years
Property and equipment, gross	$ 984,803	$ 955,563
Minimum [Member]
Useful Life (Year)	3 years
Minimum [Member] | Production Equipment [Member]
Useful Life (Year)	3 years
Minimum [Member] | Lab Equipment [Member]
Useful Life (Year)	3 years
Minimum [Member] | Computer Equipment [Member]
Useful Life (Year)	3 years
Minimum [Member] | Vehicles [Member]
Useful Life (Year)	3 years
Maximum [Member]
Useful Life (Year)	10 years
Maximum [Member] | Production Equipment [Member]
Useful Life (Year)	10 years
Maximum [Member] | Lab Equipment [Member]
Useful Life (Year)	10 years
Maximum [Member] | Computer Equipment [Member]
Useful Life (Year)	5 years
Maximum [Member] | Vehicles [Member]
Useful Life (Year)	5 years

Note 5 - Investments at Costs41

Note 5 - Investments at Costs (Details Textual) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Other Long-term Investments	$ 5,354	$ 5,282
LEA Technology [Member]
Other Long-term Investments	$ 5,354	$ 5,282

Note 5 - Investments at Costs -

Note 5 - Investments at Costs - Summary of Financial Assets and Liabilities (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Fair Value, Inputs, Level 1 [Member]
Investments	$ 0	$ 0
Total	0	0
Fair Value, Inputs, Level 2 [Member]
Investments	0	0
Total	0	0
Fair Value, Inputs, Level 3 [Member]
Investments	5,354	5,282
Total	$ 5,354	$ 5,282

Note 6 - Definite-life Intang43

Note 6 - Definite-life Intangible Assets (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Intangible Assets, Net (Excluding Goodwill)	$ 4,775		$ 5,614
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	2 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	10 years
Patents [Member]
Amortization of Intangible Assets	$ 839	$ 745
Patents [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	2 years
Patents [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	10 years

Note 6 - Definite-life Intang44

Note 6 - Definite-life Intangible Assets - Expected Future Amortization Expense (Details)	Mar. 31, 2017USD ($)
2,017	$ 2,024
2,018	2,270
2,019	481
	$ 4,775

Note 7 - Goodwill (Details Text

Note 7 - Goodwill (Details Textual)	12 Months Ended
	Dec. 31, 2016USD ($)
Goodwill, Impairment Loss	$ 7,343,208

Note 8 - Notes Payable (Details

Note 8 - Notes Payable (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Long-term Debt	$ 51,065
Notes Payable, Other Payables [Member]
Debt Instrument, Interest Rate, Stated Percentage	4.02%
Long-term Debt	$ 51,065	$ 54,929
Debt Instrument, Periodic Payment	$ 1,338

Note 8 - Notes Payable - Long-t

Note 8 - Notes Payable - Long-term Debt Maturity Schedule (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
	$ 51,065
Long-term notes payable, less current portion	36,821	$ 39,895
Current portion of notes payable	14,244	15,034
Notes Payable, Other Payables [Member]
2,017	10,621
2,018	14,710
2,019	15,310
2,020	10,424
Thereafter
	$ 51,065	$ 54,929

Note 9 - Lines of Credit (Detai

Note 9 - Lines of Credit (Details Textual) - Mar. 31, 2017	USD ($)	DKK
Line of Credit Facility, Maximum Borrowing Capacity	$ 13,600	DKK 94,620
Guarantor Obligations, Current Carrying Value	$ 13,600	DKK 94,620

Note 10 - Leases (Details Textu

Note 10 - Leases (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Operating Leases, Rent Expense	$ 152,100	$ 185,115
Capital Leased Assets, Gross	1,257,402		$ 1,240,358
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation	1,161,272		$ 1,126,550
Depreciation	258,654	351,743
Interest Expense, Lessee, Assets under Capital Lease	5,672	5,146
Assets Held under Capital Leases [Member]
Depreciation	31,064	$ 33,915
Capital Lease Obligations [Member] | Capital Lease 1 [Member]
Debt Instrument, Periodic Payment	9,447
Capital Lease Obligations [Member] | Capital Lease 2 [Member]
Debt Instrument, Periodic Payment	599
Capital Lease Obligations [Member] | Capital Lease 3 [Member]
Debt Instrument, Periodic Payment	$ 539

Note 10 - Leases - Future Minim

Note 10 - Leases - Future Minimum Lease Payments for Non-cancelable Operating Leases (Details)	Mar. 31, 2017USD ($)
2,017	$ 431,109
2,018	448,639
2,019	179,094
Thereafter	395,898
Total Minimum Lease Payments	$ 1,454,740

Note 10 - Leases - Future Min51

Note 10 - Leases - Future Minimum Capital Lease Payments (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
2,017	$ 91,553
2,018	24,046
Thereafter	0
Total minimum lease payments	115,599
Less amount representing interest	(3,201)
Present value of minimum lease payments	112,398
Less Current Portion	(91,405)	$ (45,883)
	$ 20,993	$ 93,942

Note 11 - Agreements and Comm52

Note 11 - Agreements and Commitments (Details Textual)	Sep. 09, 2014EUR (€)	Mar. 31, 2017USD ($)	Mar. 31, 2016USD ($)	Mar. 31, 2017DKK
Defined Contribution Plan, Cost | $		$ 2,706	$ 2,826
Line of Credit Facility, Maximum Borrowing Capacity		13,600		DKK 94,620
Guarantor Obligations, Current Carrying Value		$ 13,600		DKK 94,620
Chief Executive Officer [Member] | LiqTech Italy [Member]
Equity Method Investment, Ownership Percentage	60.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	40.00%
Loss Contingency, Damages Sought, Value | €	€ 750,000

Note 12 - Income Taxes (Details

Note 12 - Income Taxes (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	$ 11,723,000
LiqTech International Inc and LiqTech NA [Member]
Deferred Tax Assets, Valuation Allowance	3,655,000	$ 3,542,000
LiqTech International AS and LiqTech Systems AS [Member]
Deferred Tax Assets, Valuation Allowance	1,157,000	1,095,000
LiqTech Germany [Member]
Deferred Tax Assets, Valuation Allowance	122,000	122,000
LiqTech Singapore [Member]
Deferred Tax Assets, Valuation Allowance	97,000	$ 97,000
Federal Ministry of Finance, Germany [Member] | Danish Ministry of Taxation [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	6,649,000
Federal Ministry of Finance, Germany [Member] | GERMANY
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	437,000
Federal Ministry of Finance, Germany [Member] | SINGAPORE
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	571,000
Internal Revenue Service (IRS) [Member] | Domestic Tax Authority [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	113,000
Danish Ministry of Taxation [Member] | Foreign Tax Authority [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	62,000
German Ministry of Taxation [Member] | Foreign Tax Authority [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	0
Singapore Ministry of Taxation [Member] | Foreign Tax Authority [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 0

Note 12 - Income Taxes - Deferr

Note 12 - Income Taxes - Deferred Tax Asset (Liabilities) (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Vacation accrual	$ 5,450	$ 5,450
Allowance for doubtful accounts	1,202	1,202
Reserve for obsolete inventory	201,694	200,118
Valuation allowance	(208,346)	(206,770)
Net current tax assets
Business tax credit carryover	30,935	30,935
Net operating loss carryover	5,174,819	4,906,974
Excess of book over tax depreciation	(295,168)	(296,227)
Valuation allowance	(4,919,086)	(4,650,182)
Long term deferred tax asset
Research Tax Credit Carryforward [Member]
Danish R&D credits	$ 8,500	$ 8,500

Note 12 - Income Taxes - Reconc

Note 12 - Income Taxes - Reconciliation of Income Tax Expense (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Computed tax at expected statutory rate	$ (262,912)	$ (333,000)
State and local income taxes, net of federal benefit	(3,721)
Non-US income taxed at different rates	21,369	28,359
Valuation allowance	245,264	3,078,927
Other
Total tax expense (benefit)		$ 2,774,283

Note 12 - Income Taxes - Compon

Note 12 - Income Taxes - Components of Income Tax Expense (Benefit) from Continuing Operations (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Current income tax expense:
Federal	$ 0	$ 0
State
Current tax (benefit)
Book in excess of tax depreciation
Deferred rent
Business tax credit carryover
Net operating loss carryover	(245,263)	(304,418)
Valuation allowance	245,263	3,078,701
Deferred compensation
Accrued vacation
Reserve for obsolete inventory
Deferred tax expense (benefit)		2,774,283
Total tax expense (benefit)		2,774,283
Danish Ministry of Taxation [Member]
Current income tax expense:
Foreign current income tax expense (benefit)

Note 13 - Income (Loss) Per S57

Note 13 - Income (Loss) Per Share (Details Textual) - $ / shares	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 0.80		$ 1.10
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	0.74	$ 0.74
Class of Warrant or Right, Exercise Price of Warrants or Rights	0.81	0.81
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	1.01	1.90
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 1.65	$ 4.06
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	630,000	1,071,000
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	700,000	7,325,575

Note 13 - Income (Loss) Per S58

Note 13 - Income (Loss) Per Share - Amounts Used in Computing Earnings Per Share (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Profit (Loss) attributable to LiqTech International Inc.	$ (773,270)	$ (3,753,695)
Weighted average number of common shares used in basic earnings per share (in shares)	36,835,514	39,532,035
Effect of dilutive securities, stock options and warrants (in shares)	0
Weighted average number of common shares and potentially dilutive securities (in shares)	36,835,514	39,532,035

Note 14 - Stockholders' Equit59

Note 14 - Stockholders' Equity (Details Textual) - USD ($)	Apr. 13, 2015	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Feb. 15, 2016
Common Stock, Shares Authorized		100,000,000		100,000,000
Common Stock, Par or Stated Value Per Share		$ 0.001		$ 0.001
Common Stock, Shares, Issued		36,835,514		36,835,514
Canceled Common Shares Held in Escrow in Connection with an Acquisition, Shares				2,696,521
Allocated Share-based Compensation Expense		$ 36,178	$ 167,351
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number		630,000		868,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options		$ 80,408
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares		333,333
Share Based Compensation Arrangements by Share Based Payment Award Options, Nonvested Weighted Average Exercise Price		$ 0.74
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value		$ 0.46
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		1 year
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value		$ 0
Common Stock, Shares, Outstanding		36,835,514		36,835,514
Two Thousand Eleven Stock Options Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number		630,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options		$ 80,408
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		630,000
LCL Finance Limited [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights					100,000
Class of Warrant or Right, Exercise Price of Warrants or Rights					$ 0.81
Warrant [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period		66,667
Allocated Share-based Compensation Expense		$ 4,409
Employee Stock Option [Member]
Allocated Share-based Compensation Expense		36,178	110,526
Employee Stock Option [Member] | Two Thousand Eleven Stock Options Plan [Member]
Allocated Share-based Compensation Expense		25,519	110,526
Director [Member]
Stock Issued During Period, Shares, Restricted Stock Award, Gross	100,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	$ 75,000
Director [Member] | Restricted Stock [Member]
Allocated Share-based Compensation Expense		$ 6,250	$ 19,417
Director [Member] | Restricted Stock [Member] | Vesting on January 1, 2016 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	33,333
Director [Member] | Restricted Stock [Member] | Vesting On January 1, 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	33,333
Director [Member] | Restricted Stock [Member] | Vesting On January 1, 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	33,334

Note 14 - Stockholders' Equit60

Note 14 - Stockholders' Equity - Warrants Outstanding (Details)	3 Months Ended
	Mar. 31, 2017$ / sharesshares
Warrants Outstanding Number Outstanding (in shares) | shares	700,000
Warrants Outstanding Weighted Average Remaining Contractual Life (Year)	1 year 237 days
Warrants Outstanding Weighted Average Exercise Price (in dollars per share)	$ 1.34
Warrants Exercisable Number Exercisable (in shares) | shares	633,333
Warrants Exercisable Weighted Average Exercise Price (in dollars per share)	$ 1.38
Warrant 1 [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.81
Warrants Outstanding Number Outstanding (in shares) | shares	100,000
Warrants Outstanding Weighted Average Remaining Contractual Life (Year)	273 days
Warrants Outstanding Weighted Average Exercise Price (in dollars per share)	$ 0.81
Warrants Exercisable Number Exercisable (in shares) | shares	100,000
Warrants Exercisable Weighted Average Exercise Price (in dollars per share)	$ 0.81
Warrant 2 [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 1
Warrants Outstanding Number Outstanding (in shares) | shares	200,000
Warrants Outstanding Weighted Average Remaining Contractual Life (Year)	273 days
Warrants Outstanding Weighted Average Exercise Price (in dollars per share)	$ 1
Warrants Exercisable Number Exercisable (in shares) | shares	133,333
Warrants Exercisable Weighted Average Exercise Price (in dollars per share)	$ 1
Warrants 3 [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 1.65
Warrants Outstanding Number Outstanding (in shares) | shares	400,000
Warrants Outstanding Weighted Average Remaining Contractual Life (Year)	2 years 120 days
Warrants Outstanding Weighted Average Exercise Price (in dollars per share)	$ 1.65
Warrants Exercisable Number Exercisable (in shares) | shares	400,000
Warrants Exercisable Weighted Average Exercise Price (in dollars per share)	$ 1.65

Note 14 - Stockholders' Equit61

Note 14 - Stockholders' Equity - Assumptions Used to Calculate the Fair Values of Stock Options (Details)	3 Months Ended
	Mar. 31, 2017
Dividend yield	0.00%
Minimum [Member]
Expected term (in years) (Year)	5 years
Volatility	74.65%
Risk free interest rate	1.38%
Maximum [Member]
Expected term (in years) (Year)	10 years
Volatility	76.87%
Risk free interest rate	2.24%

Note 14 - Stockholders' Equit62

Note 14 - Stockholders' Equity - Options Outstanding (Details)	3 Months Ended
	Mar. 31, 2017$ / sharesshares
Options Number Outstanding (in shares) | shares	630,000
Options Weighted Average Remaining Contractual Life (Year)	4 years 153 days
Options Weighted Average Exercise Price (in dollars per share)	$ 0.80
Options Number Exercisable (in shares) | shares	296,667
Options Exercisable Weighted Average Exercise Price (in dollars per share)	$ 0.86
Price Range 1 [Member]
Options Exercise Prices (in dollars per share)	$ 0.74
Options Number Outstanding (in shares) | shares	400,000
Options Weighted Average Remaining Contractual Life (Year)	3 years 135 days
Options Weighted Average Exercise Price (in dollars per share)	$ 0.74
Options Number Exercisable (in shares) | shares	133,334
Options Exercisable Weighted Average Exercise Price (in dollars per share)	$ 0.74
Price Range 2 [Member]
Options Exercise Prices (in dollars per share)	$ 0.75
Options Number Outstanding (in shares) | shares	100,000
Options Weighted Average Remaining Contractual Life (Year)	3 years 14 days
Options Weighted Average Exercise Price (in dollars per share)	$ 0.75
Options Number Exercisable (in shares) | shares	33,333
Options Exercisable Weighted Average Exercise Price (in dollars per share)	$ 0.75
Price Range 3 [Member]
Options Exercise Prices (in dollars per share)	$ 1.01
Options Number Outstanding (in shares) | shares	130,000
Options Weighted Average Remaining Contractual Life (Year)	8 years 262 days
Options Weighted Average Exercise Price (in dollars per share)	$ 1.01
Options Number Exercisable (in shares) | shares	130,000
Options Exercisable Weighted Average Exercise Price (in dollars per share)	$ 1.01

Note 14 - Stockholders' Equit63

Note 14 - Stockholders' Equity - Status of Options Granted and Changes During the Year (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Shares outstanding (in shares)	868,000
Outstanding, weighted average exercise price (in dollars per share)	$ 1.10
Outstanding, average remaining life (Year)	4 years 153 days	3 years 149 days
Shares forfeited (in shares)
Forfeited, weighted average exercise price (in dollars per share)
Shares expired (in shares)	(238,000)
Expired, weighted average exercise price (in dollars per share)	$ 1.90
Shares outstanding (in shares)	630,000	868,000
Outstanding, weighted average exercise price (in dollars per share)	$ 0.80	$ 1.10
Outstanding, weighted average intrinsic value	$ 0
Shares vested and expected to vest (in shares)	630,000
Vested and expected to vest, weighted average exercise price (in dollars per share)	$ 0.80
Vested and expected to vest, average remaining life (Year)	4 years 153 days
Vested and expected to vest, weighted average intrinsic value
Warrants exercisable (in shares)	296,667
Exercisable end of period, weighted average exercise price (in dollars per share)	$ 0.86
Exercisable end of period, average remaining life (Year)	5 years 248 days
Exercisable end of period, weighted average intrinsic value

Note 15 - Significant Custome64

Note 15 - Significant Customers / Concentration (Details Textual) - Customer Concentration Risk [Member] - Sales Revenue, Net [Member]	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Number of Major Customers	4	4
Concentration Risk, Percentage	59.00%	51.00%
Major Customer 1 [Member]
Concentration Risk, Percentage	22.00%	34.00%
Major Customer 2 [Member]
Concentration Risk, Percentage	21.00%	7.00%
Major Customer 3 [Member]
Concentration Risk, Percentage	9.00%	6.00%
Major Customer 4 [Member]
Concentration Risk, Percentage	7.00%	4.00%

Note 15 - Significant Custome65

Note 15 - Significant Customers / Concentration - Net Sales by Geographical Region (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net Sales	$ 2,968,074	$ 3,629,968
Reportable Geographical Components [Member] | US And Canada [Member]
Net Sales	226,796	210,381
Reportable Geographical Components [Member] | AUSTRALIA
Net Sales	177,736	128,497
Reportable Geographical Components [Member] | South America [Member]
Net Sales	37,599	71,595
Reportable Geographical Components [Member] | Asia [Member]
Net Sales	670,242	14,656
Reportable Geographical Components [Member] | Europe [Member]
Net Sales	$ 1,855,701	$ 3,204,839

Note 15 - Significant Custome66

Note 15 - Significant Customers / Concentration - Sales by Product Line (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net Sales	$ 2,968,074	$ 3,629,968
Ceramic Diesel Particulate [Member]
Net Sales	2,283,176	1,423,106
Liquid Filters [Member]
Net Sales	620,071	2,179,236
Kiln Furniture [Member]
Net Sales	$ 64,827	$ 27,626

Note 16 - Subsequent Events (De

Note 16 - Subsequent Events (Details Textual) $ in Millions	Mar. 01, 2017USD ($)
Hunan Yonker Investment Group [Member]
Investment Agreement, Amount	$ 4