Note 2 - Investments - Amortized Cost and Fair Value of Debt Securities By Contractual Maturity (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
One year or less, amortized cost	$ 0	$ 442,846
One year or less, fair value	0	450,461
After one year through five years, amortized cost	17,284,997	17,048,721
After one year through five years, fair value	17,076,966	17,035,270
After five years through ten years, amortized cost	6,230,771	5,498,364
After five years through ten years, fair value	6,085,051	5,340,498
More than 10 years, amortized cost	20,965,866	21,337,372
More than 10 years, fair value	17,630,434	17,638,063
Available for sale securities, amortized cost	71,863,138	70,615,724
Available for sale fixed maturity securities (amortized cost: $71,863,138 and $70,615,724 as of June 30, 2023 and December 31, 2022, respectively)	66,806,217	65,316,077
Redeemable Preferred Stock [Member]
Debt securities, amortized cost	3,627,683	3,875,526
Debt securities, fair value	3,215,855	3,355,615
Available for sale securities, amortized cost	3,627,683	3,875,526
Available for sale fixed maturity securities (amortized cost: $71,863,138 and $70,615,724 as of June 30, 2023 and December 31, 2022, respectively)	3,215,855	3,355,615
Collateralized Mortgage-Backed Securities [Member]
Debt securities, amortized cost	23,753,821	22,412,895
Debt securities, fair value	22,797,911	21,496,170
Available for sale securities, amortized cost	23,753,821	22,412,895
Available for sale fixed maturity securities (amortized cost: $71,863,138 and $70,615,724 as of June 30, 2023 and December 31, 2022, respectively)	$ 22,797,911	$ 21,496,170

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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