Note 4 - Deferred Policy Acquisition Costs - Activity in Deferred Policy Acquisition Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Balance at beginning of period	$ 7,659	$ 7,004	$ 5,679	$ 5,747
Deferred policy acquisition costs	8,528	4,276	15,742	12,283
Amortization of policy acquisition costs	(4,605)	(3,738)	(9,839)	(10,488)
Net change	3,923	538	5,903	1,795
Balance at end of period	$ 11,582	$ 7,542	$ 11,582	$ 7,542