Note 4 - Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Investments in available-for-sale securities, at fair value	$ 32,198,208	$ 37,942,657
Funds withheld embedded derivative	146,532	0
Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	32,198,208	37,942,657
Equity securities, fair value	7,764,065	9,157,193
Funds withheld embedded derivative		544,768
Investments, fair value	39,815,741	47,644,618
Fair Value, Recurring [Member] | Funds Withheld on Coinsurance Assets [Member]
Funds withheld embedded derivative	(146,532)
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Investments in available-for-sale securities, at fair value	0	0
Equity securities, fair value	6,204,809	7,226,584
Funds withheld embedded derivative		0
Investments, fair value	6,204,809	7,226,584
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Funds Withheld on Coinsurance Assets [Member]
Funds withheld embedded derivative	0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	32,016,608	37,761,057
Equity securities, fair value	1,559,256	1,930,609
Funds withheld embedded derivative		0
Investments, fair value	33,575,864	39,691,666
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Funds Withheld on Coinsurance Assets [Member]
Funds withheld embedded derivative	0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Investments in available-for-sale securities, at fair value	181,600	181,600
Equity securities, fair value	0	0
Funds withheld embedded derivative		544,768
Investments, fair value	35,068	726,368
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Funds Withheld on Coinsurance Assets [Member]
Funds withheld embedded derivative	(146,532)
US Treasury Securities [Member]
Investments in available-for-sale securities, at fair value	359,309	447,765
US Treasury Securities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	359,309	447,765
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
US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	359,309	447,765
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
Corporate Debt Securities [Member]
Investments in available-for-sale securities, at fair value	17,230,707	21,321,279
Corporate Debt Securities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	17,230,707	21,321,279
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
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	17,049,107	21,139,679
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
US States and Political Subdivisions Debt Securities [Member]
Investments in available-for-sale securities, at fair value	5,561,188	6,963,358
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	5,561,188	6,963,358
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
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	5,561,188	6,963,358
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
Redeemable Preferred Stock [Member]
Investments in available-for-sale securities, at fair value	3,548,532	3,621,526
Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	3,548,532	3,621,526
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
Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	3,548,532	3,621,526
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
Collateralized Mortgage-Backed Securities [Member]
Investments in available-for-sale securities, at fair value	5,498,472	5,588,729
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	5,498,472	5,588,729
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
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	5,498,472	5,588,729
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
Common Stock [Member] | Fair Value, Recurring [Member]
Equity securities, fair value	6,298,209	7,319,584
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities, fair value	6,204,809	7,226,584
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities, fair value	93,400	93,000
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities, fair value	0	0
Preferred Stock [Member] | Fair Value, Recurring [Member]
Equity securities, fair value	1,465,856	1,837,609
Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities, fair value	0	0
Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities, fair value	1,465,856	1,837,609
Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities, fair value	$ 0	$ 0