Note 4 - Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Investments in available-for-sale securities, at fair value	$ 65,316,077	$ 37,942,657
Other invested assets	1,760,777	0
Reinsurer [Member]
Reinsurance contract allocated hedge	724,998	0
Funds withheld embedded derivative	0	0
Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	65,316,077	37,942,657
Equity securities, fair value	7,395,044	9,157,193
Other invested assets	1,760,777
Investments, fair value	75,196,896	47,644,618
Funds withheld embedded derivative		544,768
Fair Value, Recurring [Member] | Reinsurer [Member]
Reinsurance contract allocated hedge	724,998
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Investments in available-for-sale securities, at fair value	1,025,087	447,765
Equity securities, fair value	5,929,624	7,226,584
Other invested assets	0
Investments, fair value	6,954,711	7,674,349
Funds withheld embedded derivative		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Reinsurer [Member]
Reinsurance contract allocated hedge	0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	45,563,422	37,313,292
Equity securities, fair value	1,465,420	1,930,609
Other invested assets	0
Investments, fair value	47,028,842	39,243,901
Funds withheld embedded derivative		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Reinsurer [Member]
Reinsurance contract allocated hedge	0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Investments in available-for-sale securities, at fair value	18,727,568	181,600
Equity securities, fair value	0	0
Other invested assets	1,760,777
Investments, fair value	21,213,343	726,368
Funds withheld embedded derivative		544,768
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Reinsurer [Member]
Reinsurance contract allocated hedge	724,998
US Treasury Securities [Member]
Investments in available-for-sale securities, at fair value	1,025,087	447,765
US Treasury Securities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	1,025,087	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	1,025,087	447,765
US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	0	0
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	15,869,078	21,321,279
Corporate Debt Securities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	15,869,078	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	15,687,478	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	5,420,409	6,963,358
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	5,420,409	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	5,420,409	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	3,355,615	3,621,526
Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	3,355,615	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	3,355,615	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
Term Loans [Member]
Investments in available-for-sale securities, at fair value	18,149,718
Term Loans [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	18,149,718
Term Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Investments in available-for-sale securities, at fair value	0
Term Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investments in available-for-sale securities, at fair value	0
Term Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Investments in available-for-sale securities, at fair value	18,149,718
Collateralized Mortgage-Backed Securities [Member]
Investments in available-for-sale securities, at fair value	21,496,170	5,588,729
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member]
Investments in available-for-sale securities, at fair value	21,496,170	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	21,099,920	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	396,250	0
Common Stock [Member] | Fair Value, Recurring [Member]
Equity securities, fair value	6,024,224	7,319,584
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities, fair value	5,929,624	7,226,584
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities, fair value	94,600	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	1,370,820	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	1,370,820	1,837,609
Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities, fair value	$ 0	$ 0