Note 1 - Description of Business and Significant Accounting Policies - Information About Deposit-type Contracts (Details) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Balance at beginning of period	$ 78,063,888
Receipts on deposit-type contracts	5,984,026	$ 4,383,636
Interest credited	1,910,726	1,778,460
Withdrawals on deposit-type contracts	(8,018,262)	(8,326,217)
Deposit-type contracts	77,940,378	78,063,888
Premium Deposit Fund Deposit-type Contracts [Member]
Balance at beginning of period	135,071	154,808
Receipts on deposit-type contracts	27,434	9,829
Interest credited	3,052	3,022
Withdrawals on deposit-type contracts	(29,247)	(32,588)
Deposit-type contracts	$ 136,310	$ 135,071

The cash inflow from a segregated fund account during the period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of interest expense for allocation to policyholder account balance.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480081/944-40-50-7A

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 29F
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480046/944-40-55-29F

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479868/944-20-45-2

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
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-Name Accounting Standards Codification
-Section 55
-Paragraph 13J
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480046/944-40-55-13J

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(6))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

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- Definition

Amount of liability due to policyholder for deposit held under long-duration contract issued by insurance entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 25
-Paragraph 14
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479250/944-40-25-14

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- Definition

The cash outflow for a segregated fund account during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

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