Note 1 - Description of Business and Significant Accounting Policies 1 (Details Textual)	12 Months Ended
	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares
Number of Wholly-Owned Operating Subsidiaries	4
Cash, FDIC Insured Amount	$ 250,000
Cash, Uninsured Amount	0
Reinsurance Recoverable, Allowance for Credit Loss	0	$ 0
Unrecognized Tax Benefits	$ 0	$ 0
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares	$ 0.1	$ 0.1
Common Stock, Shares Authorized (in shares) | shares	20,000,000	20,000,000
Common Stock, Shares, Outstanding (in shares) | shares	7,748,922	7,746,922
Common Stock, Shares, Issued (in shares) | shares	7,748,922	7,746,922
Weighted Average Number of Shares Outstanding, Basic (in shares) | shares	7,747,618	7,746,318
Policyholder Benefit Reserves [Member]
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Other Policy Claim and Benefit Payable	$ 152,739	$ 131,489
Computer Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Furniture and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years