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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Statement of Comprehensive Income [Abstract]        
Net income $ 687 $ 2,020 $ 3,431 $ 4,069
Other comprehensive income:        
Foreign currency translation adjustment 133 91 100 283
Total comprehensive income $ 820 $ 2,111 $ 3,531 $ 4,352