Note 2 - Investments - Summary of Proceeds from Investments and Related Gross Realized Gains and Losses (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Fixed Income Securities [Member]
Fixed maturity securities, proceeds	$ 1,185,955	$ 5,737,579	$ 13,800,029	$ 11,921,877
Fixed maturity securities, realized gains	0	113,397	105,918	132,853
Fixed maturity securities, realized losses	0	0	(106,546)	(9,582)
Fixed maturity securities, net realized gains (losses)	(0)	113,397	(628)	123,271
Common Stock [Member]
Equity securities, proceeds	600,120	769,346	3,976,938	2,734,181
Equity securities, realized gains	112,306	198,390	1,052,648	753,159
Equity securities, realized losses	(59,628)	(24,333)	(254,260)	(90,072)
Equity securities, net realized gains (losses)	52,678	174,057	798,388	663,087
Preferred Stock [Member]
Equity securities, proceeds	242,844	0	646,552	340,523
Equity securities, realized gains	1,004	0	8,749	37,711
Equity securities, realized losses	(12,476)	0	(20,909)	0
Equity securities, net realized gains (losses)	$ 11,472	$ 0	$ (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
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Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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