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Note 9 - Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Weighted Average Number of Shares [Table Text Block]
  

For the Year Ended December 31

 
  

2020

  

2019

 

Net Income/(Loss) attributable to LiqTech International Inc.

 $(9,808,360

)

 $39,616 

Weighted average number of common shares used in basic earnings per share

  21,209,118   19,652,277 

Effect of dilutive securities, stock options, warrants, and RSUs

  -   15,475 

Weighted average number of common shares and potential dilutive common shares outstanding used in dilutive earnings per share

  21,209,118   19,667,752