Note 9 - Other Real Estate Owned - OREO Activity (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Beginning balance	$ 5,489	$ 10,673
Transfers from loans and other increases	126	345
Proceeds from sales	(1,013)	(4,553)
(Loss) gain on sales, net	(76)	72
Write downs and other decreases, net	(495)	(350)
Ending balance	$ 4,031	$ 6,187