Note 6 - Other Real Estate Owned - Change in OREO (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Balance, Beginning	$ 1,841	$ 4,256
Additions	144	793
Sales of OREO	(348)	(2,949)
Transfer to Bank Premises		(300)
Gains (Losses) on Sale	4	303
Provision for Losses	(6)	(262)
Balance, Ending	$ 1,635	$ 1,841