Note 5 - Loans Acquired - Summary of the Changes in the FDIC True-Up Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Balance	$ 8,308	$ 6,768
Amortization expense	107	168
Adjustments related to changes in expected losses	720	1,372
Balance		$ 8,308
Loss share termination agreement	$ (9,135)