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Note 6 - Investments (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] |
(in thousands) |  | September 30, 2025 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government, government agencies and authorities |  | $ | 14,360 |  |  | $ | 88 |  |  | $ | 68 |  |  | $ | 14,380 |
States, municipalities and political subdivisions |  |  | 1,788 |  |  |  | 3 |  |  |  | 27 |  |  |  | 1,764 |
Mortgage-backed |  |  | 10,079 |  |  |  | 68 |  |  |  | 250 |  |  |  | 9,897 |
Asset-backed |  |  | 1,227 |  |  |  | 10 |  |  |  | 13 |  |  |  | 1,224 |
Corporate |  |  | 10,310 |  |  |  | 52 |  |  |  | 227 |  |  |  | 10,135 |
Total fixed maturities |  | $ | 37,764 |  |  | $ | 221 |  |  | $ | 585 |  |  | $ | 37,400 |
(in thousands) |  | December 31, 2024 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government, government agencies and authorities |  | $ | 13,561 |  |  | $ | 11 |  |  | $ | 218 |  |  | $ | 13,354 |
States, municipalities and political subdivisions |  |  | 2,846 |  |  |  | 2 |  |  |  | 73 |  |  |  | 2,775 |
Mortgage-backed |  |  | 10,309 |  |  |  | 10 |  |  |  | 433 |  |  |  | 9,886 |
Asset-backed |  |  | 1,346 |  |  |  | 2 |  |  |  | 22 |  |  |  | 1,326 |
Corporate |  |  | 10,055 |  |  |  | 9 |  |  |  | 442 |  |  |  | 9,622 |
Total fixed maturities |  | $ | 38,117 |  |  | $ | 34 |  |  | $ | 1,188 |  |  | $ | 36,963 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
(in thousands) |  | September 30, 2025 |
|  | Amortized Cost |  |  | Estimated Fair Value |
Due in one year or less |  | $ | 7,494 |  |  | $ | 7,433 |
Due after one year through five years |  |  | 23,449 |  |  |  | 23,368 |
Due after five years through ten years |  |  | 2,533 |  |  |  | 2,521 |
Due after ten years |  |  | 4,288 |  |  |  | 4,078 |
Total |  | $ | 37,764 |  |  | $ | 37,400 |
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] |
(in thousands) |  | September 30, 2025 |
|  | Less than 12 Months |  |  | Greater than 12 Months |  |  | Total |
|  | Estimated Fair Value |  |  | Unrealized Loss |  |  | Estimated Fair Value |  |  | Unrealized Loss |  |  | Estimated Fair Value |  |  | Unrealized Loss |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government, government agencies and authorities |  | $ | 2,471 |  |  | $ | 20 |  |  | $ | 2,103 |  |  | $ | 48 |  |  | $ | 4,574 |  |  | $ | 68 |
States, municipalities and political subdivisions |  |  | 299 |  |  |  | 1 |  |  |  | 1,082 |  |  |  | 26 |  |  |  | 1,381 |  |  |  | 27 |
Mortgage-backed |  |  | 813 |  |  |  | 3 |  |  |  | 3,456 |  |  |  | 247 |  |  |  | 4,269 |  |  |  | 250 |
Asset-backed |  |  | 61 |  |  |  | — |  |  |  | 451 |  |  |  | 13 |  |  |  | 512 |  |  |  | 13 |
Corporate |  |  | 425 |  |  |  | 1 |  |  |  | 6,263 |  |  |  | 226 |  |  |  | 6,688 |  |  |  | 227 |
Total fixed maturities |  | $ | 4,069 |  |  | $ | 25 |  |  | $ | 13,355 |  |  | $ | 560 |  |  | $ | 17,424 |  |  | $ | 585 |
(in thousands) |  | December 31, 2024 |
|  | Less than 12 Months |  |  | Greater than 12 Months |  |  | Total |
|  | Estimated Fair Value |  |  | Unrealized Loss |  |  | Estimated Fair Value |  |  | Unrealized Loss |  |  | Estimated Fair Value |  |  | Unrealized Loss |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government, government agencies and authorities |  | $ | 2,417 |  |  | $ | 28 |  |  | $ | 7,984 |  |  | $ | 190 |  |  | $ | 10,401 |  |  | $ | 218 |
States, municipalities and political subdivisions |  |  | 331 |  |  |  | 1 |  |  |  | 1,981 |  |  |  | 72 |  |  |  | 2,312 |  |  |  | 73 |
Mortgage-backed |  |  | 3,006 |  |  |  | 57 |  |  |  | 5,477 |  |  |  | 376 |  |  |  | 8,483 |  |  |  | 433 |
Asset-backed |  |  | 254 |  |  |  | — |  |  |  | 756 |  |  |  | 22 |  |  |  | 1,010 |  |  |  | 22 |
Corporate |  |  | 966 |  |  |  | 10 |  |  |  | 7,274 |  |  |  | 432 |  |  |  | 8,240 |  |  |  | 442 |
Total fixed maturities |  | $ | 6,974 |  |  | $ | 96 |  |  | $ | 23,472 |  |  | $ | 1,092 |  |  | $ | 30,446 |  |  | $ | 1,188 |
Investment Income [Table Text Block] |
(in thousands) |  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Investment income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest from fixed maturities |  | $ | 357 |  |  | $ | 331 |  |  | $ | 1,044 |  |  | $ | 968 |
Dividends |  |  | 10 |  |  |  | 11 |  |  |  | 30 |  |  |  | 39 |
(Loss) income from limited liability investments |  |  | (1 | ) |  |  | 1 |  |  |  | (1 | ) |  |  | (161 | )
Other |  |  | 108 |  |  |  | 98 |  |  |  | 251 |  |  |  | 300 |
Gross investment income |  |  | 474 |  |  |  | 441 |  |  |  | 1,324 |  |  |  | 1,146 |
Investment expenses |  |  | (43 | ) |  |  | (38 | ) |  |  | (103 | ) |  |  | (109 | )
Net investment income |  | $ | 431 |  |  | $ | 403 |  |  | $ | 1,221 |  |  | $ | 1,037 |
Realized Gain (Loss) on Investments [Table Text Block] |
(in thousands) |  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Available-for-sale fixed maturities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross realized gains |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Gross realized losses |  |  | (9 | ) |  |  | — |  |  |  | (85 | ) |  |  | — |
Net realized losses on available-for-sale fixed maturities |  |  | (9 | ) |  |  | — |  |  |  | (85 | ) |  |  | — |
Limited liability investment, at fair value |  |  | 34 |  |  |  | 874 |  |  |  | 129 |  |  |  | 1,260 |
Investments in private companies |  |  | (30 | ) |  |  | 84 |  |  |  | 8 |  |  |  | 99 |
Net realized (losses) gains |  | $ | (5 | ) |  | $ | 958 |  |  | $ | 52 |  |  | $ | 1,359 |
Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table Text Block] |
(in thousands) |  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Net losses recognized on equity investments sold during the period |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (3 | )
Change in net unrealized (losses) gains recognized on equity investments held at end of the period |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net loss on equity investments |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (3 | )

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