Note 2 - Investments - Amortized Cost and Fair Value of Available-for-sale and Held-to-maturity Investments (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Debt securities, amortized cost, total	$ 35,913,683	$ 35,256,039
Debt Securities, Gross Unrealized Gains	878,050
Debt Securities, Gross Unrealized Losses	(1,409,494)	(283,345)
Investments in available-for-sale securities, at fair value	35,382,239	37,942,657
Debt Securities, Gross Unrealized Gain		2,969,963
Fixed Maturities [Member]
Debt securities, amortized cost, total	35,913,683	35,256,039
Investments in available-for-sale securities, at fair value	35,382,239	37,942,657
US Treasury Securities [Member] \| Fixed Maturities [Member]
Debt securities, amortized cost, total	303,323	303,195
Debt Securities, Gross Unrealized Gains	118,186
Debt Securities, Gross Unrealized Losses	0	0
Investments in available-for-sale securities, at fair value	421,509	447,765
Debt Securities, Gross Unrealized Gain		144,570
Corporate Debt Securities [Member] \| Fixed Maturities [Member]
Debt securities, amortized cost, total	19,585,022	19,397,461
Debt Securities, Gross Unrealized Gains	528,783
Debt Securities, Gross Unrealized Losses	(783,127)	(177,700)
Investments in available-for-sale securities, at fair value	19,330,678	21,321,279
Debt Securities, Gross Unrealized Gain		2,101,518
US States and Political Subdivisions Debt Securities [Member] \| Fixed Maturities [Member]
Debt securities, amortized cost, total	6,225,836	6,306,387
Debt Securities, Gross Unrealized Gains	223,399
Debt Securities, Gross Unrealized Losses	(136,324)	(14,292)
Investments in available-for-sale securities, at fair value	6,312,911	6,963,358
Debt Securities, Gross Unrealized Gain		671,263
Redeemable Preferred Stock [Member] \| Fixed Maturities [Member]
Debt securities, amortized cost, total	4,052,415	3,612,625
Debt Securities, Gross Unrealized Gains	6,148
Debt Securities, Gross Unrealized Losses	(145,617)	(21,094)
Investments in available-for-sale securities, at fair value	3,912,946	3,621,526
Debt Securities, Gross Unrealized Gain		29,995
Collateralized Mortgage-Backed Securities [Member] \| Fixed Maturities [Member]
Debt securities, amortized cost, total	5,747,087	5,636,371
Debt Securities, Gross Unrealized Gains	1,534
Debt Securities, Gross Unrealized Losses	(344,426)	(70,259)
Investments in available-for-sale securities, at fair value	$ 5,404,195	5,588,729
Debt Securities, Gross Unrealized Gain		$ 22,617

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) 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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Amortized cost of 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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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