Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ / shares in Thousands, $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Fixed maturities, cost	$ 21,470	$ 20,488
Equity investments, cost	1,147	1,157
Real estate investments, cost	10,225	10,225
Allowance for doubtful accounts	201	201
Property and equipment, accumulated depreciation	26,557	24,441
Intangible assets accumulated amortization	$ 16,426	$ 15,433
Temporary equity, issued (in shares)	182,876
Temporary equity, outstanding (in shares)	182,876
Temporary equity, redemption	$ 6,800
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)	22,365,631	22,211,069
Common stock, outstanding (in shares)	22,365,631	22,211,069
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)	182,876	182,876
Temporary equity, outstanding (in shares)	182,876	182,876
Temporary equity, redemption	$ 6,828	$ 6,658
Service Fees [Member]
Allowance for doubtful accounts	$ 258	$ 478