Note 4 - Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)	Mar. 31, 2025	Dec. 31, 2024
Debt securities, fair value, total	$ 78,878,689	$ 79,578,179
Other invested assets	1,185,571	1,109,606
Limited partnership interests	688,788	428,170
Fair Value, Recurring [Member]
Debt securities, fair value, total	78,878,689	79,578,179
Equity securities, fair value	3,728,548	3,876,085
Other invested assets	1,185,571	1,109,606
Reinsurance contract allocated hedge	594,352	713,114
Limited partnership interests	688,788	428,170
Investments, fair value	85,075,948	85,705,154
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Debt securities, fair value, total	730,769	711,377
Equity securities, fair value	2,151,770	2,271,495
Other invested assets	0	0
Reinsurance contract allocated hedge	0	0
Limited partnership interests	0	0
Investments, fair value	2,882,539	2,982,872
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Debt securities, fair value, total	65,660,255	65,565,148
Equity securities, fair value	1,576,778	1,604,590
Other invested assets	0	0
Reinsurance contract allocated hedge	0	0
Limited partnership interests	0	0
Investments, fair value	67,237,033	67,169,738
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Debt securities, fair value, total	12,487,665	13,301,654
Equity securities, fair value	0	0
Other invested assets	1,185,571	1,109,606
Reinsurance contract allocated hedge	594,352	713,114
Limited partnership interests	688,788	428,170
Investments, fair value	14,956,376	15,552,544
US Treasury Securities [Member]
Debt securities, fair value, total	730,769	711,377
US Treasury Securities [Member] | Fair Value, Recurring [Member]
Debt securities, fair value, total	730,769	711,377
US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Debt securities, fair value, total	730,769	711,377
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	19,720,433	21,491,820
Corporate Debt Securities [Member] | Fair Value, Recurring [Member]
Debt securities, fair value, total	19,720,433	21,491,820
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	19,550,833	21,322,220
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Debt securities, fair value, total	169,600	169,600
US States and Political Subdivisions Debt Securities [Member]
Debt securities, fair value, total	4,805,839	4,741,149
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member]
Debt securities, fair value, total	4,805,839	4,741,149
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	4,805,839	4,741,149
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	2,395,034	2,411,234
Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member]
Debt securities, fair value, total	2,395,034	2,411,234
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	2,395,034	2,411,234
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	11,978,065	12,788,304
Term Loans [Member] | Fair Value, Recurring [Member]
Debt securities, fair value, total	11,978,065	12,788,304
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	11,978,065	12,788,304
Collateralized Mortgage-Backed Securities [Member]
Debt securities, fair value, total	39,248,549	37,434,295
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member]
Debt securities, fair value, total	39,248,549	37,434,295
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	38,908,549	37,090,545
Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Debt securities, fair value, total	340,000	343,750
Common Stock [Member] | Fair Value, Recurring [Member]
Equity securities, fair value	2,276,770	2,395,195
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities, fair value	2,151,770	2,271,495
Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities, fair value	125,000	123,700
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	1,451,778	1,480,890
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	1,451,778	1,480,890
Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities, fair value	$ 0	$ 0