Note 4 - Fair Value Measurements - Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)
|
Jun. 30, 2026 |
Dec. 31, 2025 |
| Debt securities, fair value, total |
$ 88,686,166
|
$ 86,534,704
|
| Other invested assets |
989,514
|
1,018,640
|
| Limited partnership interests |
1,803,095
|
1,293,005
|
| Fair Value, Recurring [Member] |
|
|
| Debt securities, fair value, total |
88,686,166
|
86,534,704
|
| Equity securities, fair value |
8,517,432
|
3,542,412
|
| Other invested assets |
989,514
|
1,018,640
|
| Reinsurance contract allocated hedge |
57,808
|
|
| Reinsurance contract allocated hedge |
|
77,197
|
| Limited partnership interests |
1,803,095
|
1,293,005
|
| Fair Value, Net Asset (Liability) |
100,054,015
|
|
| Investments, fair value |
|
92,465,958
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Debt securities, fair value, total |
729,834
|
732,892
|
| Equity securities, fair value |
6,973,301
|
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) |
7,703,135
|
|
| Investments, fair value |
|
2,701,195
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Debt securities, fair value, total |
74,503,894
|
74,306,658
|
| Equity securities, fair value |
1,544,131
|
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) |
76,048,025
|
|
| Investments, fair value |
|
75,880,767
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Debt securities, fair value, total |
13,452,438
|
11,495,154
|
| Equity securities, fair value |
0
|
0
|
| Other invested assets |
989,514
|
1,018,640
|
| Reinsurance contract allocated hedge |
57,808
|
|
| Reinsurance contract allocated hedge |
|
77,197
|
| Limited partnership interests |
1,803,095
|
1,293,005
|
| Fair Value, Net Asset (Liability) |
16,302,855
|
|
| Investments, fair value |
|
13,883,996
|
| US Treasury Securities [Member] |
|
|
| Debt securities, fair value, total |
729,834
|
732,892
|
| US Treasury Securities [Member] | Fair Value, Recurring [Member] |
|
|
| Debt securities, fair value, total |
729,834
|
732,892
|
| US Treasury Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Debt securities, fair value, total |
729,834
|
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 |
27,058,199
|
28,299,216
|
| Corporate Debt Securities [Member] | Fair Value, Recurring [Member] |
|
|
| Debt securities, fair value, total |
27,058,199
|
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 |
26,902,599
|
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 |
5,760,379
|
5,807,136
|
| US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] |
|
|
| Debt securities, fair value, total |
5,760,379
|
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 |
5,760,379
|
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 |
1,506,863
|
1,998,438
|
| Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member] |
|
|
| Debt securities, fair value, total |
1,506,863
|
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 |
1,506,863
|
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 |
12,968,088
|
11,005,804
|
| Term Loans [Member] | Fair Value, Recurring [Member] |
|
|
| Debt securities, fair value, total |
12,968,088
|
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 |
12,968,088
|
11,005,804
|
| Collateralized Mortgage-Backed Securities [Member] |
|
|
| Debt securities, fair value, total |
40,662,803
|
38,691,218
|
| Collateralized Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] |
|
|
| Debt securities, fair value, total |
40,662,803
|
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 |
40,334,053
|
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 |
7,115,101
|
2,097,203
|
| Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |
|
|
| Equity securities, fair value |
6,973,301
|
1,968,303
|
| Common Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |
|
|
| Equity securities, fair value |
141,800
|
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 |
1,402,331
|
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 |
1,402,331
|
1,445,209
|
| Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |
|
|
| Equity securities, fair value |
$ 0
|
$ 0
|