Note 2 - Investments - Net Unrealized Gains Included in Accumulated Other Comprehensive Income (Details) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Available-for-sale fixed maturity securities | $ 7,517,351 | $ 8,500,556 |
| Other long-term investments | (49,645) | (50,714) |
| Future policy benefits related to discount rate | 18,215,710 | 16,873,830 |
| Deferred income taxes | (1,998,283) | (2,259,642) |
| Accumulated other comprehensive income | 7,517,351 | 8,500,556 |
| Trinity Life Insurance Company [Member] | ||
| Available-for-sale fixed maturity securities | (3,812,428) | (4,218,278) |
| Accumulated other comprehensive income | (3,812,428) | (4,218,278) |
| Fixed Maturities [Member] | ||
| Available-for-sale fixed maturity securities | (8,650,431) | (6,062,918) |
| Accumulated other comprehensive income | $ (8,650,431) | $ (6,062,918) |