CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME    
Net income $ 843 $ 6,639
Other comprehensive loss:    
Foreign currency translation adjustment, net of tax 449 391
Net unrealized gains (losses) on available-for-sale investments, net of tax (4) 74
Total other comprehensive income 445 465
Comprehensive income $ 1,288 $ 7,104