Note 2 - Investments - Components of Net Investment Income (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Investment income	$ 1,818,776	$ 1,158,166
Less investment expenses	(313,166)	(6,544)
Investment income, net	1,505,610	1,151,622
Fixed Maturities [Member]
Investment income	1,039,423	275,333
Mortgages [Member]
Investment income	509,022	27,391
Equity Securities [Member]
Investment income	210,370	154,674
Funds Withheld on Coinsurance Assets [Member]
Investment income	0	700,308
Other Invested Assets [Member]
Investment income	45,940	0
Cash and Cash Equivalents [Member]
Investment income	$ 14,021	$ 460