Note 1 - Description of Business and Significant Accounting Policies - Information About Deposit-type Contracts (Details) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Balance at beginning of period	$ 75,567,873
Receipts on deposit-type contracts	5,389,262	$ 3,987,535
Interest credited	1,597,392	1,606,340
Withdrawals on deposit-type contracts	(3,243,267)	(1,937,457)
Balance at end of period	79,035,350	75,567,873
Premium Deposit Fund Deposit-type Contracts [Member]
Balance at beginning of period	157,534	238,924
Receipts on deposit-type contracts	80,687	13,558
Interest credited	6,738	5,185
Withdrawals on deposit-type contracts	(90,151)	(100,133)
Balance at end of period	$ 154,808	$ 157,534

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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- Definition

Amount of interest expense for allocation to policyholder account balance.

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

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

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

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