Note 13 - Other Comprehensive Income - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Reclassification adjustment for losses (gains) included in net income	$ 4	$ (693)	$ 4	$ (971)
Income tax expense	508	910	934	1,716
Net of tax amount	(3)	458	(3)	641
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification adjustment for losses (gains) included in net income	4	(693)	4	(971)
Income tax expense	(1)	235	(1)	330
Net of tax amount	$ 3	$ (458)	$ 3	$ (641)

Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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-Publisher FASB
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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