Note 6 - Loans Payable - Related Party (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Interest Expense, Related Party	$ 113,414	$ 106,059	$ 236,650	$ 211,510
Stock Issued During Period, Value, New Issues	$ 41,250	$ 32,400	$ 103,350	$ 64,800
Related Parties Lenders [Member]
Stock Issued During Period, Shares, New Issues (in shares)	27,000	27,000	54,000	54,000
Stock Issued During Period, Value, New Issues	$ 24,750	$ 19,440	$ 62,010	$ 38,880
Loans Payable to Related Party [Member]
Interest Payable, Related Party	617,832		617,832		$ 568,969
Interest Expense, Related Party	$ 51,662	$ 46,188	$ 115,524	$ 91,771