Note 4 - Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Investments in available-for-sale securities, at fair value	$ 35,382,239	$ 37,942,657
Funds withheld embedded derivative	0	0
Fair Value, Recurring [Member]
Funds withheld embedded derivative		544,768
Investments, fair value	44,438,691	47,644,618
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Funds withheld embedded derivative		0
Investments, fair value	7,071,763	7,226,584
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Funds withheld embedded derivative		0
Investments, fair value	36,922,777	39,691,666
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Funds withheld embedded derivative		544,768
Investments, fair value	444,151	726,368
Fixed Maturities [Member]
Investments in available-for-sale securities, at fair value	35,382,239	37,942,657
Fixed Maturities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	35,382,239	37,942,657
Fixed Maturities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Investments in available-for-sale securities, at fair value	0	0
Fixed Maturities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	35,200,639	37,761,057
Fixed Maturities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Investments in available-for-sale securities, at fair value	181,600	181,600
Fixed Maturities [Member] | US Treasury Securities [Member]
Investments in available-for-sale securities, at fair value	421,509	447,765
Fixed Maturities [Member] | US Treasury Securities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	421,509	447,765
Fixed Maturities [Member] | US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Investments in available-for-sale securities, at fair value	0	0
Fixed Maturities [Member] | US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	421,509	447,765
Fixed Maturities [Member] | US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Investments in available-for-sale securities, at fair value	0	0
Fixed Maturities [Member] | Corporate Debt Securities [Member]
Investments in available-for-sale securities, at fair value	19,330,678	21,321,279
Fixed Maturities [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	19,330,678	21,321,279
Fixed Maturities [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Investments in available-for-sale securities, at fair value	0	0
Fixed Maturities [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	19,149,078	21,139,679
Fixed Maturities [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Investments in available-for-sale securities, at fair value	181,600	181,600
Fixed Maturities [Member] | US States and Political Subdivisions Debt Securities [Member]
Investments in available-for-sale securities, at fair value	6,312,911	6,963,358
Fixed Maturities [Member] | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	6,312,911	6,963,358
Fixed Maturities [Member] | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Investments in available-for-sale securities, at fair value	0	0
Fixed Maturities [Member] | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	6,312,911	6,963,358
Fixed Maturities [Member] | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Investments in available-for-sale securities, at fair value	0	0
Fixed Maturities [Member] | Redeemable Preferred Stock [Member]
Investments in available-for-sale securities, at fair value	3,912,946	3,621,526
Fixed Maturities [Member] | Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	3,912,946	3,621,526
Fixed Maturities [Member] | Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Investments in available-for-sale securities, at fair value	0	0
Fixed Maturities [Member] | Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	3,912,946	3,621,526
Fixed Maturities [Member] | Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Investments in available-for-sale securities, at fair value	0	0
Fixed Maturities [Member] | Collateralized Mortgage-Backed Securities [Member]
Investments in available-for-sale securities, at fair value	5,404,195	5,588,729
Fixed Maturities [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	5,404,195	5,588,729
Fixed Maturities [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Investments in available-for-sale securities, at fair value	0	0
Fixed Maturities [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	5,404,195	5,588,729
Fixed Maturities [Member] | Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Investments in available-for-sale securities, at fair value	0	0
Equity Securities [Member] | Fair Value, Recurring [Member]
Equity securities, fair value	8,793,901	9,157,193
Equity Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities, fair value	7,071,763	7,226,584
Equity Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities, fair value	1,722,138	1,930,609
Equity Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities, fair value	0	0
Equity Securities [Member] | Common Stock [Member] | Fair Value, Recurring [Member]
Equity securities, fair value	7,164,863	7,319,584
Equity Securities [Member] | Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities, fair value	7,071,763	7,226,584
Equity Securities [Member] | Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities, fair value	93,100	93,000
Equity Securities [Member] | Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities, fair value	0	0
Equity Securities [Member] | Preferred Stock [Member] | Fair Value, Recurring [Member]
Equity securities, fair value	1,629,038	1,837,609
Equity Securities [Member] | Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities, fair value	0	0
Equity Securities [Member] | Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities, fair value	1,629,038	1,837,609
Equity Securities [Member] | Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities, fair value	0	$ 0
Funds Withheld on Coinsurance Assets [Member] | Fair Value, Recurring [Member]
Funds withheld embedded derivative	262,551
Funds Withheld on Coinsurance Assets [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Funds withheld embedded derivative	0
Funds Withheld on Coinsurance Assets [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Funds withheld embedded derivative	0
Funds Withheld on Coinsurance Assets [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Funds withheld embedded derivative	$ 262,551