v3.26.3
Note 11 - Subsequent Events (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 06, 2026
Nov. 12, 2026
May 31, 2026
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Stock Issued During Period, Shares, Issued for Services (in shares)                 50,861  
Stock Issued During Period, Value, Issued for Services       $ 22,500 $ 21,000 $ 18,000 $ 18,000 $ 15,000 $ 61,500  
Proceeds from Notes Payable                 $ 1,175,000 $ 0
Loan Agreement Amendment With the Lenders [Member]                    
Proceeds from Notes Payable     $ 675,000              
Subsequent Event [Member]                    
Stock Issued During Period, Shares, Issued for Services (in shares)   11,699                
Stock Issued During Period, Value, Issued for Services   $ 15,000                
Interest Expense, Debt $ 30,141                  
Subsequent Event [Member] | Contingent Warrants [Member]                    
Warrants and Rights, Vested During the Period (in shares) 56,875                  
Subsequent Event [Member] | Related Party [Member]                    
Proceeds from Notes Payable $ 425,000                  
Subsequent Event [Member] | Loan Agreement Amendment With the Lenders [Member]                    
Proceeds from Notes Payable $ 325,000                  
Debt Instrument, Interest Rate, Stated Percentage 12.00%                  
Debt Instrument, Maturity Date Dec. 31, 2028                  
Subsequent Event [Member] | Loan Agreement Amendment With the Lenders [Member] | Related Party and Director [Member]                    
Debt Instrument, Face Amount $ 25,000                  
Subsequent Event [Member] | Loan Agreement Amendment With the Lenders [Member] | Related Party [Member]                    
Proceeds from Notes Payable 125,000                  
Subsequent Event [Member] | Loan Agreement Amendment With the Lenders [Member] | Three New Lenders [Member]                    
Debt Instrument, Face Amount $ 100,000