Note 2 - Investments - Schedule of Cost or Amortized cost and Estimated Fair Values of Investments (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Amortized Cost	$ 118,359,809	$ 119,336,041
Debt Securities, Available-for-Sale	109,168,285	110,955,697
Gross Unrealized Gains	520,972	724,472
Gross Unrealized Losses	(9,712,496)	(9,104,816)
Fixed maturity securities, amortized cost	118,359,809	119,336,041
US Treasury Securities [Member]
Amortized Cost	1,351,519	1,351,768
Debt Securities, Available-for-Sale	1,295,211	1,289,774
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(56,308)	(61,994)
Fixed maturity securities, amortized cost	1,351,519	1,351,768
MBS,ABS,CMBS [Member]
Amortized Cost	48,381,623	49,400,028
Debt Securities, Available-for-Sale	45,834,486	47,020,328
Gross Unrealized Gains	291,072	283,957
Gross Unrealized Losses	(2,838,209)	(2,663,657)
Fixed maturity securities, amortized cost	48,381,623	49,400,028
Corporate Debt Securities [Member]
Amortized Cost	45,827,528	45,764,492
Debt Securities, Available-for-Sale	42,444,447	42,981,718
Gross Unrealized Gains	104,428	287,412
Gross Unrealized Losses	(3,487,509)	(3,070,186)
Fixed maturity securities, amortized cost	45,827,528	45,764,492
US States and Political Subdivisions Debt Securities [Member]
Amortized Cost	22,612,746	22,633,360
Debt Securities, Available-for-Sale	19,413,101	19,493,317
Gross Unrealized Gains	125,472	153,103
Gross Unrealized Losses	(3,325,117)	(3,293,146)
Fixed maturity securities, amortized cost	22,612,746	22,633,360
Redeemable Preferred Stock [Member]
Amortized Cost	186,393	186,393
Debt Securities, Available-for-Sale	181,040	170,560
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(5,353)	(15,833)
Fixed maturity securities, amortized cost	$ 186,393	$ 186,393