Note 2 - Investments - Summary of Proceeds from Investments and Related Gross Realized Gains and Losses (Details) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Fixed Income Securities [Member]
Fixed maturity securities, proceeds	$ 17,820,507	$ 18,590,418
Fixed maturity securities, realized gains	107,368	247,913
Fixed maturity securities, realized losses	(118,178)	(9,582)
Fixed maturity securities, net realized gains (losses)	10,810	238,332
Common Stock [Member]
Equity securities, proceeds	4,402,327	3,023,990
Equity securities, realized gains	1,213,519	836,477
Equity securities, realized losses	(316,079)	(129,972)
Equity securities, net realized gains (losses)	897,440	706,504
Preferred Stock [Member]
Equity securities, proceeds	646,552	340,523
Equity securities, realized gains	8,748	37,711
Equity securities, realized losses	(20,909)	0
Equity securities, net realized gains (losses)	$ 12,160	$ 37,711

Amount of realized gain on 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
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