Note 7 - Real Estate Development - Changes to Equity Method Investments (Details) - USD ($)	3 Months Ended				9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Equity Investment Balance	$ 8,046,985				$ 8,046,985		$ 6,612,712
Investee losses in excess of equity investment	(4,003,146)				(4,003,146)		(1,464,218)
Net Equity Investment Balance	4,043,839				4,043,839		$ 5,148,494
Equity investment income (loss), equity investment	(447,896)	$ (326,482)	$ (87,841)
Equity investment income (loss), investee losses in excess of equity investment	(926,505)	(848,017)	(764,406)
Equity investment income (loss), net equity investment	$ (1,374,401)	$ (1,174,499)	$ (852,247)	$ (674,341)	(3,401,147)	$ 561,991
Contribution to equity investment, gross					2,315,650
Contribution to equity investment, net					2,315,650
Dividends received from investments, gross					(19,158)
Dividends received from investments, net					$ (19,158)	$ 0