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Note 4 - Related Party Transactions (Details Textual) - USD ($)
3 Months Ended
Dec. 31, 2024
Sep. 30, 2024
Dec. 31, 2023
Jun. 30, 2024
Preferred Stock, Value, Shares Redeemed During Period $ (749,985) $ (749,995) $ (749,995)  
Related Party [Member]        
Accounts Payable 0     $ 0
Preferred Stock, Value, Shares Redeemed During Period $ 512,808   $ 484,902