Note 8 - Loans Payable- Related Party (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Interest Expense, Related Party	$ 101,845	$ 107,033	$ 338,495	$ 318,543
Stock Issued During Period, Value, New Issues	$ 23,673	$ 32,400	$ 127,023	$ 97,200
Related Parties Lenders [Member]
Stock Issued During Period, Shares, New Issues (in shares)	21,000	27,000	75,000	81,000
Stock Issued During Period, Value, New Issues	$ 12,747	$ 19,440	$ 74,757	$ 58,320
Loans Payable to Related Party [Member]
Interest Payable, Related Party	644,360		644,360		$ 568,969
Interest Expense, Related Party	$ 39,927	$ 46,504	$ 155,452	$ 138,275