Note 11 - Accumulated Other Comprehensive Income (Loss) - Condensed Financial Statements (Details) - USD ($) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Balance | $ 12,997,354 | $ 13,959,766 |
| Balance | 12,707,894 | 12,997,354 |
| AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] | ||
| Balance | (2,766,657) | (3,090,176) |
| Current period other comprehensive income, net of tax | (618,274) | 385,952 |
| Reclassifications, net of tax | 187,972 | (62,433) |
| Balance | (3,196,959) | (2,766,657) |
| AOCI, Liability for Future Policy Benefit, Parent [Member] | ||
| Balance | 2,722,445 | 3,261,078 |
| Current period other comprehensive income, net of tax | 412,531 | (538,633) |
| Reclassifications, net of tax | 0 | 0 |
| Balance | 3,134,976 | 2,722,445 |
| AOCI Attributable to Parent [Member] | ||
| Balance | (44,212) | 170,902 |
| Current period other comprehensive income, net of tax | (205,743) | (152,681) |
| Reclassifications, net of tax | 187,972 | (62,433) |
| Balance | $ (61,983) | $ (44,212) |