Note 2 - Investments (Details Textual)	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Proceeds from Sale, Maturity and Collection of Investments	$ 21,419,454	$ 9,878,340
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	217
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	$ 4,927,710	5,704,466
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans	0	0
Debt and Equity Securities, Unrealized Gain (Loss)	1,711,411	(1,638,847)
Debt and Equity Securities, Realized Gain (Loss)	(757,601)	(108,643)
Financing Receivable, Credit Loss, Expense (Reversal)	(128,729)	(0)
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net	$ (65,978)	(177,596)
Fixed Income Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	128
Collateralized Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	70
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	$ 1,164,216	1,074,520
Term Loans [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	10
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	$ 286,770	$ 146,395
Preferred Stock [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	9