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Note 8 - Notes Payable (Details Textual) - USD ($)
Aug. 17, 2020
Apr. 22, 2020
Sep. 30, 2024
Aug. 15, 2024
Promissory Note for Refinancing One Model Home [Member] | Majority Owned Subsidiary Dubose Model Home Investors 202 LP and 204 LP [Member]        
Debt Instrument, Face Amount     $ 300,000  
Debt Instrument, Interest Rate, Stated Percentage     8.00% 5.55%
Economic Injury Disaster Loan [Member]        
Proceeds from Issuance of Unsecured Debt $ 150,000 $ 10,000    
Loans Payable     $ 144,854