Note 10 - Liability for Future Policy Benefits - Schedule of Future Policy Benefit Activity (Details) - USD ($) |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Balance, beginning of year | $ 131,056,717 | $ 133,088,475 | |
| Future policy benefits meetng ASU 2018-12 standards | 105,612,046 | $ 104,289,022 | |
| Gross premiums, undiscounted | $ 309,932,156 | $ 294,949,116 | |
| Original discount rate | 4.03% | 4.15% | |
| Original duration of the liability in years (Year) | 14 years 25 days | 13 years 10 months 9 days | |
| Expected | $ 11,370,103 | $ 9,654,824 | |
| Balance, beginning of year | 235,345,739 | 228,572,260 | |
| Gross premiums, original present value | $ 227,140,185 | $ 226,864,424 | |
| Current discount rate | 5.31% | 5.32% | |
| Current duration of the liability in years (Year) | 13 years 5 months 4 days | 13 years 3 months 7 days | |
| Reinsurance recoverable | $ (730,617) | (751,315) | $ (744,285) |
| Gross premiums, current present value | 194,806,763 | 211,608,008 | |
| Benefits, undiscounted | 420,054,328 | 408,757,275 | |
| Effect of changes in disount rate | 9,629,855 | 10,348,860 | |
| Subtotal | 104,881,429 | 98,654,128 | 103,544,737 |
| Benefits, original present value | $ 265,364,265 | $ 261,855,366 | |
| Expected rate | 1.41% | 1.32% | |
| Effect of changes in disount rate | $ 26,509,627 | 28,154,664 | |
| Benefits, current present value | 226,698,164 | $ 235,345,739 | |
| Deferred policy liability | 2,385,885 | 2,210,250 | 2,449,123 |
| Actual | 9,500,774 | 8,699,058 | |
| Beginning balance at original discount rate | 140,686,572 | 143,437,335 | |
| Total future policy benefits meeting ASU 2018-12 standards | 107,267,314 | 105,993,860 | |
| Beginning balance at original discount rate | 261,855,366 | 256,726,924 | |
| Participating life insurance contracts not on contribution basis | $ 30,405,668 | $ 26,321,494 | |
| Actual rate | 1.18% | 1.19% | |
| Effect of changes in cash flow considerations | $ 0 | 0 | |
| Reduced paid up and extended term life insurance contracts | 7,943,839 | $ 7,916,928 | |
| Effect of changes in cash flow considerations | 0 | 0 | |
| Other | $ 1,692,259 | $ 1,703,169 | |
| Actual to expected ratio | 83.56% | 90.10% | |
| Effect of actual variances from expected | $ (4,123,461) | (4,381,905) | |
| Total future policy benefits not meeting ASU 2018-12 standards | 40,041,766 | $ 35,941,591 | |
| Effect of actual variances from expected | (4,443,005) | (4,590,224) | |
| Future policy benefit reinsurance ceded | 7,080,607 | 7,293,356 | |
| Trued-Up balance | 136,563,111 | 139,055,430 | |
| Total future policy benefits | 154,389,687 | 149,228,807 | |
| Trued-Up balance | 257,412,361 | 252,136,700 | |
| New issuances | 11,338,161 | 9,945,072 | |
| New issuances | 11,699,407 | 10,267,140 | |
| Net premium collected | 9,430,363 | 9,408,157 | |
| Interest accrual | 3,057,894 | 3,083,956 | |
| Interest accrual | 5,753,272 | 5,624,767 | |
| Withdrawal/surrenders | 1,329,970 | 1,179,973 | |
| Benefit payments | 8,170,804 | 7,517,117 | |
| Ending balance at original discount rate | 141,528,804 | 142,676,301 | 140,686,572 |
| Ending balance at original discount rate | 265,364,265 | 259,331,518 | 261,855,366 |
| Effect of changes in discount rate | (20,442,687) | (19,200,500) | (9,629,855) |
| Effect of changes in discount rate | (38,666,101) | (36,450,274) | (26,509,627) |
| Balance, end of year | 121,086,117 | 123,475,801 | 131,056,717 |
| Balance, end of year | 226,698,164 | 222,881,244 | 235,345,739 |
| Reinsurance recoverable | 730,617 | 751,315 | 744,285 |
| Net liability for future policy benefits | 104,881,429 | 98,654,128 | 103,544,737 |
| Deferred profit liability | 2,385,885 | $ 2,210,250 | 2,449,123 |
| Amount Inforce [Member] | |||
| Expected | 803,590,701 | 729,050,161 | |
| Actual | 803,590,701 | 729,050,161 | |
| Mortality [Member] | |||
| Expected | $ 8,667,732 | $ 7,352,374 | |
| Expected rate | 1.08% | 1.01% | |
| Actual | $ 8,170,804 | $ 7,517,117 | |
| Actual rate | 1.02% | 1.03% | |
| Actual to expected ratio | 94.27% | 102.24% | |
| Lapsation [Member] | |||
| Expected | $ 2,702,371 | $ 2,302,451 | |
| Expected rate | 0.34% | 0.32% | |
| Actual | $ 1,329,970 | $ 1,181,941 | |
| Actual rate | 0.17% | 0.16% | |
| Actual to expected ratio | 49.21% | 51.33% | |
| X | ||||||||||
- Definition The ratio of actual to expected future policy benefit liability. No definition available.
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| X | ||||||||||
- Definition Amount, before effect of reinsurance, of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract. No definition available.
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| X | ||||||||||
- Definition Amount, before effect of reinsurance, of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract. No definition available.
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| X | ||||||||||
- Definition Amount of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract classified as a deferred profit liability. No definition available.
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| X | ||||||||||
- Definition Amount, before effect of reinsurance, of discounted balance (at original discount rate) for expected future gross premium component of liability for future policy benefit. No definition available.
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| X | ||||||||||
- Definition Amount, before effect of reinsurance, of discounted balance for expected future policy benefit and expense component of liability for future policy benefit. No definition available.
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| X | ||||||||||
- Definition Amount, before effect of reinsurance, of discounted (at original discount rate) balance for expected future policy benefit and expense component of liability for future policy benefit. No definition available.
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| X | ||||||||||
- Definition Amount, before effect of reinsurance and current period update of cash flow assumption, of expected future policy benefit and expense component of liability for future policy benefit, discounted at original rate. No definition available.
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| X | ||||||||||
- Definition Amount, before effect of reinsurance and current period update of cash flow assumption, of expected future policy benefit and expense component of liability for future policy benefit, discounted at original rate. No definition available.
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| X | ||||||||||
- Definition Amount of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract that meets ASU 2018-12 standards. No definition available.
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| X | ||||||||||
- Definition Gross amount of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract that meets ASU 2018-12 standards. No definition available.
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| X | ||||||||||
- Definition Amount of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract which does not meet ASU 2018-12 standards. No definition available.
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| X | ||||||||||
- Definition Original weighted-average discount rate used to measure liability for future policy benefit. No definition available.
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| X | ||||||||||
- Definition Amount of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract classified as other which does not meet ASU 2018-12 standards. No definition available.
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| X | ||||||||||
- Definition Amount of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract related to participating life insurance contracts not on contribution basis. No definition available.
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| X | ||||||||||
- Definition Amount of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract related to reduced paid up and extended term life insurance contracts. No definition available.
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| X | ||||||||||
- Definition Amount of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract related to reinsurance ceded. No definition available.
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| X | ||||||||||
- Definition Original weighted-average duration of liability for future policy benefit, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from (increase) decrease in expected future policy benefit component of liability for future policy benefit from change in discount rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from increase (decrease) in expected net premium component of liability for future policy benefit from change in discount rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after effect of reinsurance, of liability for future policy benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Current weighted-average discount rate used to measure liability for future policy benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption, of expected future benefit and expense component for liability for future policy benefit, discounted at original rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, before effect of reinsurance, of discounted balance for expected future gross premium component of liability for future policy benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before effect of reinsurance, of undiscounted balance for expected future gross premium component of liability for future policy benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption and discount rate change, of expected future policy benefit and expense component of liability for future policy benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cumulative increase (decrease) in expected future policy benefit and expense component for liability of future policy benefit from cash flow assumption change for future cash flows. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of cumulative increase (decrease) in expected future policy benefit and expense component for liability of future policy benefit from effect of variance from cash flow assumption change for actual experience. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of decrease in expected future policy benefit and expense component of liability for future policy benefit from derecognition of contract. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of interest expense for expected future policy benefit and expense component of liability for future policy benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of increase in expected future policy benefit and expense component of liability for future policy benefit from contract issuance. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, before effect of reinsurance and current period update of cash flow assumption, of expected future policy benefit and expense component of liability for future policy benefit, discounted at original rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, before effect of reinsurance, of undiscounted balance for expected future policy benefit and expense component of liability for future policy benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption and discount rate change, of expected net premium component of liability for future policy benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cumulative increase (decrease) in expected net premium component of liability for future policy benefit from cash flow assumption change for future cash flows. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of cumulative increase (decrease) in expected net premium component for liability of future policy benefit from effect of variance from cash flow assumption change for actual experience. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of interest income for expected net premium component of liability for future policy benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of increase in expected net premium component of liability for future policy benefit from contract issuance. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of premium collected from policyholder to fund expected benefit payment for expected net premium component of liability for future policy benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, before effect of reinsurance and current period update of cash flow assumption, of expected net premium component of liability for future policy benefit, discounted at original rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption, of expected net premium component for liability for future policy benefit, discounted at original rate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, recoverable under reinsurance of liability for future policy benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Weighted-average duration of liability for future policy benefit, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before effect of reinsurance, of present value of future benefit to be paid to or on behalf of policyholder and related expense less present value of future net premium receivable under insurance contract. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of cash outflow to policyholder from benefit payment for expected future policy benefit and expense component of liability for future policy benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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