Note 7 - Other Real Estate Owned - Changes in Other Real Estate Owned ("OREO") (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Balance at beginning of period	$ 533	$ 4,932
Acquisitions		533
Write-down of carrying value		(47)
Sales	(533)	(816)
Balance at end of period		$ 4,602