Note 2 - Liquidity and Uncertainties (Details Textual) - USD ($)	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Retained Earnings (Accumulated Deficit), Total	$ (109,605,997)		$ (107,704,274)
Net Income (Loss) Attributable to Parent, Total	$ (1,901,723)	$ (972,869)

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

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+ Details