Note 2 - Investments (Details Textual) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Jun. 30, 2015
Other than Temporary Impairment Losses, Investments	$ 0	$ 0	$ 0	$ 0
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net	0	$ 0	$ 0	0
Fixed Maturity Securities, Term			3 years 146 days		3 years 36 days
Proceeds from Sale of Available-for-sale Securities			$ 6,800,000	$ 4,300,000
Deposits Held in Trust for State Insurance Departments	$ 7,500,000		$ 7,500,000			$ 7,000,000