Note 8 - Other Real Estate Owned (Details) - Changes in OREO - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Changes in OREO [Abstract]
Balance at beginning of year	$ 502	$ 913	$ 3,061
Additions to other real estate owned	4,059	688	1,585
Dispositions of other real estate owned	(3,138)	(809)	(3,733)
Valuation adjustments in the period		(290)
Total	$ 1,423	$ 502	$ 913