Note 5 - Other Real Estate Owned - Gross Gains, Gross Losses and Write-downs of OREO (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Gross gains	$ 50	$ 37	$ 306
Gross losses		(275)	(6)
Reductions to carrying value		(1,763)	(896)
Total Income (Expense)	$ 50	$ (2,001)	$ (596)

The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.14(d))
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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