Note 5 - Other Real Estate Owned - Foreclosed Properties Valuation Allowance (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Other Real Estate Owned, balance at the beginning of the year	$ 4,619	$ 5,657
Other Real Estate Owned, Additions		473
Other Real Estate Owned, Sales	(1,262)	(24)
Other Real Estate Owned, balance at the end of the year	3,357	6,106
Valuation Allowance, balance at the beginning of the year	(825)	(420)
Valuation Allowance, Writedowns
Valuation Allowance, Sales	616
Valuation Allowance, Balance at the end of the year	(209)	(420)
Balance at the beginning of the year, net	3,794	5,237
Additions, Net		473
Writedowns, Net
Sales, Net	(646)	(24)
Balance at the end of the year, net	$ 3,148	$ 5,686