Note 7 - Earnings Per Share - Amounts Used in Computing Earnings Per Share (Details) - USD ($)	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Net Gain (Loss) attributable to LiqTech International Inc.	$ 34,244	$ (1,533,289)
Weighted average number of common shares used in basic earnings per share (in shares)	18,267,068	11,121,838
Effect of dilutive securities, stock options and warrants (in shares)	878,807
Weighted average number of common shares and potential dilutive common shares outstanding used in dilutive earnings per share (in shares)	19,145,875	11,121,838

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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