Note 6 - Other Real Estate Owned (Details) - Other Real Estate - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Real Estate [Abstract]
Beginning Balance, January 1st	$ 3,715	$ 4,059	$ 8,912
Additions	11,459	1,000	246
Valuation adjustments	(3,069)	(1,147)	(2,740)
Dispositions	(792)	(197)	(2,359)
Ending Balance	$ 11,313	$ 3,715	$ 4,059