Note 2 - Investments - Components of Net Investment Income (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Investment income	$ 8,500,401	$ 7,426,109
Less investment expenses	(902,639)	(1,013,440)
Investment income, net	7,597,762	6,412,669
Fixed Maturities [Member]
Investment income	5,985,869	4,712,515
Mortgages [Member]
Investment income	1,680,515	1,678,623
Equity Securities [Member]
Investment income	313,416	686,999
Other Invested Assets [Member]
Investment income	197,760	218,784
Cash and Cash Equivalents [Member]
Investment income	$ 322,841	$ 129,188