Note 4 - Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Debt securities, fair value, total	$ 88,263,413	$ 86,534,704
Other invested assets	1,012,127	1,018,640
Limited partnership interests	1,711,176	1,293,005
Fair Value, Recurring [Member]
Debt securities, fair value, total	88,263,413	86,534,704
Equity securities, fair value	8,235,955	3,542,412
Other invested assets	1,012,127	1,018,640
Reinsurance contract allocated hedge	32,777
Reinsurance contract allocated hedge		77,197
Limited partnership interests	1,711,176	1,293,005
Fair Value, Net Asset (Liability)	99,255,448
Investments, fair value		92,465,958
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Debt securities, fair value, total	726,797	732,892
Equity securities, fair value	6,723,945	1,968,303
Other invested assets	0	0
Reinsurance contract allocated hedge	0
Reinsurance contract allocated hedge		0
Limited partnership interests	0	0
Fair Value, Net Asset (Liability)	7,450,742
Investments, fair value		2,701,195
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Debt securities, fair value, total	74,958,881	74,306,658
Equity securities, fair value	1,512,010	1,574,109
Other invested assets	0	0
Reinsurance contract allocated hedge	0
Reinsurance contract allocated hedge		0
Limited partnership interests	0	0
Fair Value, Net Asset (Liability)	76,470,891
Investments, fair value		75,880,767
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Debt securities, fair value, total	12,577,735	11,495,154
Equity securities, fair value	0	0
Other invested assets	1,012,127	1,018,640
Reinsurance contract allocated hedge	32,777
Reinsurance contract allocated hedge		77,197
Limited partnership interests	1,711,176	1,293,005
Fair Value, Net Asset (Liability)	15,333,815
Investments, fair value		13,883,996
US Treasury Securities [Member]
Debt securities, fair value, total	726,797	732,892
US Treasury Securities [Member] | Fair Value, Recurring [Member]
Debt securities, fair value, total	726,797	732,892
US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Debt securities, fair value, total	726,797	732,892
US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Debt securities, fair value, total	0	0
US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Debt securities, fair value, total	0	0
Corporate Debt Securities [Member]
Debt securities, fair value, total	27,558,929	28,299,216
Corporate Debt Securities [Member] | Fair Value, Recurring [Member]
Debt securities, fair value, total	27,558,929	28,299,216
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Debt securities, fair value, total	0	0
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Debt securities, fair value, total	27,403,329	28,143,616
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Debt securities, fair value, total	155,600	155,600
US States and Political Subdivisions Debt Securities [Member]
Debt securities, fair value, total	5,754,361	5,807,136
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member]
Debt securities, fair value, total	5,754,361	5,807,136
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Debt securities, fair value, total	0	0
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Debt securities, fair value, total	5,754,361	5,807,136
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Debt securities, fair value, total	0	0
Redeemable Preferred Stock [Member]
Debt securities, fair value, total	1,491,801	1,998,438
Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member]
Debt securities, fair value, total	1,491,801	1,998,438
Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Debt securities, fair value, total	0	0
Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Debt securities, fair value, total	1,491,801	1,998,438
Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Debt securities, fair value, total	0	0
Term Loans [Member]
Debt securities, fair value, total	12,093,385	11,005,804
Term Loans [Member] | Fair Value, Recurring [Member]
Debt securities, fair value, total	12,093,385	11,005,804
Term Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Debt securities, fair value, total	0	0
Term Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Debt securities, fair value, total	0	0
Term Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Debt securities, fair value, total	12,093,385	11,005,804
Collateralized Mortgage-Backed Securities [Member]
Debt securities, fair value, total	40,638,140	38,691,218
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member]
Debt securities, fair value, total	40,638,140	38,691,218
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Debt securities, fair value, total	0	0
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Debt securities, fair value, total	40,309,390	38,357,468
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Debt securities, fair value, total	328,750	333,750
Common Stock [Member] | Fair Value, Recurring [Member]
Equity securities, fair value	6,853,945	2,097,203
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities, fair value	6,723,945	1,968,303
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities, fair value	130,000	128,900
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	1,382,010	1,445,209
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	1,382,010	1,445,209
Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities, fair value	$ 0	$ 0