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, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Fixed Income Securities [Member]
Proceeds	$ 2,924,552	$ 1,443,108	$ 11,985,012	$ 9,785,891
Gains	0	0	8,512	0
Losses	0	(6,863)	(30,092)	(58,761)
Fixed maturity securities, net realized gains (losses)	0	(6,863)	(21,580)	(58,761)
Common Stock [Member]
Proceed	1,208,768	1,807,080	2,033,174	3,831,416
Gain	390,453	395,780	673,559	800,571
Loss	(70,800)	(188,989)	(154,234)	(496,207)
Equity securities, net realized gains (losses)	319,653	206,791	519,325	304,364
Preferred Stock [Member]
Proceed	309,756	0	679,644	337,440
Gain	334	0	1,743	29,371
Loss	(117)	0	(31,952)	(6,599)
Equity securities, net realized gains (losses)	$ 217	$ 0	$ (30,209)	$ 22,772

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
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-9

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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).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-4

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481830/320-10-45-11

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