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Note 7 - Notes Payable and Advances from Related Party (Details Textual) - USD ($)	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 30, 2020
Interest Paid, Excluding Capitalized Interest, Operating Activities	$ 279,329	$ 0
Notes Payable, Current, Total	2,883,333		$ 1,902,237	$ 1,902,237
Short-term Notes Payable [Member]
Notes Payable, Current, Total	800,000		1,902,237
Notes Payable [Member]
Interest Payable	921,527		$ 647,393
Interest Paid, Excluding Capitalized Interest, Operating Activities	906,212
Notes Payable [Member] \| Decathlon Note [Member]
Interest Payable	$ 870,332