Note 13 - Subsequent Events	6 Months Ended
Jun. 30, 2022
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 13 - SUBSEQUENT EVENTS On July 29, 2022, the Company announced the appointment of Fei Chen, as the new Chief Executive Officer (“CEO”), effective on or before November 1, 2022. Effective on such date, Alexander J. Buehler, a member of LiqTech’s Board and Interim CEO will resign as Interim CEO and will continue to serve as a member of the Board of Directors. Ms. Chen brings more than 20 years of management experience with a demonstrated track record of success across a variety of global industrial companies, with an emphasis on water treatment, chemicals, and clean energy technologies.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI https://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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