Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ / shares in Thousands, $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Fixed maturities, cost	$ 36,539	$ 35,889
Equity investments, cost	187	1,147
Real estate investments, cost	10,225	10,225
Property and equipment, accumulated depreciation	24,370	24,224
Intangible assets accumulated amortization	$ 21,841	$ 20,333
Temporary equity, outstanding (in shares)	169,733
Temporary equity, redemption	$ 6,600
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, authorized (in shares)	50,000,000	50,000,000
Common stock, issued (in shares)	22,882,614	22,882,614
Common stock, outstanding (in shares)	22,882,614	22,882,614
Treasury stock (in shares)	247,450	247,450
Redeemable Class A Preferred Stock [Member]
Temporary equity, par value (in dollars per share)	$ 0	$ 0
Temporary equity, authority (in shares)	1,000,000	1,000,000
Temporary equity, issued (in shares)	169,733	169,733
Temporary equity, outstanding (in shares)	169,733	169,733
Temporary equity, redemption	$ 6,576	$ 6,497
Other Receivables
Allowance for doubtful accounts	5	5
Service Fees [Member]
Allowance for doubtful accounts	$ 261	$ 241