Note 2 - Investments - Components of Net Investment Income (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Investment income	$ 1,551,547	$ 1,124,913	$ 4,247,232	$ 2,413,041
Less investment expenses	(39,992)	(58,755)	(104,105)	(90,872)
Investment income, net	1,511,555	1,066,158	4,143,127	2,322,169
Fixed Maturities [Member]
Investment income	280,823	272,145	834,464	889,563
Mortgages [Member]
Investment income	92,459	55,587	281,718	61,438
Equity Securities [Member]
Investment income	151,168	198,327	453,809	487,777
Funds Withheld on Coinsurance Assets [Member]
Investment income	1,026,680	597,990	2,675,956	962,023
Cash and Cash Equivalents [Member]
Investment income	$ 417	$ 864	$ 1,285	$ 12,240

Amount, before investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

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