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Note 5 - Other Real Estate Owned - Changes in Other Real Estate Owned ("OREO") (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Balance at beginning of year $ 533 $ 4,932 $ 6,326
Acquisitions 639 1,667
Reductions to carrying value (1,763) (896)
Sales (533) (3,275) (2,165)
Balance at end of year $ 0 $ 533 $ 4,932