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Note 10 - (Loss) Earnings Per Share - Summary of Basic and Diluted Loss Per Common Share (Details) - USD ($)
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Net (loss) / income $ 3,466,124 $ (917,545)
Dividend Series B Preferred shares (524,621) (1,110,467)
Preferred deemed dividend (504,577)
Net (loss) / income attributable to common shareholders $ 2,941,503 $ (2,532,589)
Weighted average common shares – outstanding (in shares) 5,621,159 2,129,233
Basic and diluted (loss) / earnings per share (in dollars per share) $ 0.52 $ (1.19)