Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Fixed maturity securities, amortized cost	$ 137,025	$ 137,004
Equity securities, amortized cost	$ 8,664	$ 8,629
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	8,520,328	8,520,328
Common stock, shares outstanding (in shares)	8,520,328	8,520,328