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Condensed Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Condensed Consolidated Statements Of Comprehensive Income    
Net income (loss) $ (3,626) $ 2,689
Unrealized gain on available-for-sale securities, net of tax 2,257 1,664
Total comprehensive (loss) income $ (1,369) $ 4,353