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Note 4 - Related Party Transactions (Details Textual) - Chief Executive Officer [Member] - USD ($)
Sep. 30, 2021
Mar. 10, 2021
Dec. 31, 2020
Dec. 31, 2014
Notes Payable, Related Party [Member]        
Debt Instrument, Face Amount       $ 182,000
Debt Instrument, Interest Rate, Stated Percentage       7.75%
Long-term Debt, Gross $ 182,000   $ 182,000  
Interest Payable $ 119,405   108,855  
Loan Payable for Interest on Letter of Credit [Member]        
Debt Instrument, Interest Rate, Stated Percentage 7.75%      
Long-term Debt, Gross $ 142,313   135,625  
Interest Payable 40,668   $ 30,437  
Loans Payable [Member]        
Debt Instrument, Face Amount   $ 300,000    
Debt Instrument, Interest Rate, Stated Percentage   6.00%    
Interest Payable $ 10,143