Note 6 - Loans Payable (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Debt Instrument, Debt Default, Amount	$ 9,675,000		$ 9,675,000
Equipment Pledged as Collateral	$ 9,000		9,000
Stock Issued During Period, Value, New Issues			$ 64,800	$ 90,900
Individual Lenders [Member]
Stock Issued During Period, Shares, New Issues (in shares)	18,000	18,000	36,000	36,000
Stock Issued During Period, Value, New Issues	$ 12,960	$ 18,180	$ 25,920	$ 36,360