Note 8 - Loans Payable (Details Textual) - USD ($)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Stock Issued During Period, Value, New Issues	$ 159,300	$ 168,750
Individual Lenders [Member]
Stock Issued During Period, Shares, New Issues (in shares)	72,000	72,000
Stock Issued During Period, Value, New Issues	$ 63,720	$ 67,500
Global Holdings International, LLC [Member]
Derecognition of Debt, Amount	9,600,000
Derecognition of Debt, Accrued Interest, Amount	$ 11,579,043

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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