Note 5 - Other Real Estate Owned - Change in OREO (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Balance, Beginning	$ 6,439	$ 8,839
Additions	1,345	5,664
Sales of OREO	(3,121)	(7,416)
Gains (Losses) on Sale	113	(146)
Provision for Losses	(256)	(502)
Balance, Ending	$ 4,520	$ 6,439