Note 8 - Convertible Notes Payable - Related Parties - Convertible Notes Payable to Related Parties (Details) (Parentheticals) - Convertible Debt Payable to Related Party [Member]	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Joseph Byrne [Member]
Interest Rate	12.00%	12.00%
Conversion Rights	76,123	76,123
Maturity date	Aug. 17, 2020	Aug. 17, 2020
Jeff Thomas [Member]
Interest Rate	5.00%	5.00%
Conversion Rights	94,488	94,488
Maturity date	May 24, 2022	May 24, 2022

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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