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Note 6 - Earnings Per Share - Amounts Used in Computing Earnings Per Share (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net Income attributable to LiqTech International Inc.	$ 303,499	$ 34,244
Weighted average number of common shares used in basic earnings per share (in shares)	20,554,524	18,267,068
Effect of dilutive securities, stock options, RSU’s, and warrants (in shares)	156,511	878,807
Weighted average number of common shares and potential dilutive common shares outstanding used in dilutive earnings per share (in shares)	20,711,035	19,145,875

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

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