Note 6 - Other Real Estate Owned - Reconciliation of Other Real Estate Owned (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Beginning Balance	$ 11,313	$ 3,715	$ 4,059
Additions	616	11,459	1,000
Valuation adjustments	(355)	(3,069)	(1,147)
Dispositions	(1,400)	(792)	(197)
Ending Balance	$ 10,174	$ 11,313	$ 3,715