Note 5 - Other Real Estate Owned - Foreclosed Properties Valuation Allowance (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018		Sep. 30, 2017
Other Real Estate Owned, balance	$ 4,046		$ 4,619
Other Real Estate Owned, Additions	697		1,024
Other Real Estate Owned, Writedowns
Other Real Estate Owned, Sales	(593)		(1,492)
Other Real Estate Owned, balance	4,150		4,151
Valuation Allowance, balance	(797)	[1]	(825)
Valuation Allowance, Additions
Valuation Allowance, Writedowns	(157)		(380)
Valuation Allowance, Sales			616
Valuation Allowance, balance	(954)		(589)
Balance, net	3,249	[2]	3,794
Additions, Net	697		1,024
Writedowns, Net	(157)		(380)
Sales, Net	(593)		(876)
Balance, net	$ 3,196		$ 3,562

[1] Derived from consolidated audited financial statements.

[2] Derived from consolidated audited financial statements.