Note 2 - Investments - Components of Net Investment Income (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Investment income	$ 1,390,640	$ 1,896,332	$ 5,820,815	$ 4,511,422
Less investment expenses		(37,727)	(727,952)	(82,130)
Investment income, net	1,803,369	1,858,605	5,092,863	4,429,292
Less investment expenses	412,729
Fixed Maturities [Member]
Investment income	625,328	296,994	3,520,865	856,256
Mortgages [Member]
Investment income	517,551	91,515	1,520,564	207,865
Equity Securities [Member]
Investment income	157,298	175,938	552,098	488,436
Funds Withheld on Coinsurance Assets [Member]
Investment income	0	1,310,559	0	2,932,068
Other Invested Assets [Member]
Investment income	59,070	0	159,935	0
Cash and Cash Equivalents [Member]
Investment income	$ 31,393	$ 21,326	$ 67,353	$ 26,797