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Note 8 - Notes Payable (Details Textual) - USD ($)	Aug. 17, 2020	Apr. 22, 2020	Jun. 30, 2025	Dec. 31, 2024	Aug. 15, 2024	Dec. 31, 2023
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			$ 142,375	$ 144,089

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Face (par) amount of debt instrument at time of issuance.

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