CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)        
Net income (loss) $ 2,011 $ 973 $ 1,472 $ (498)
Other comprehensive income (loss):        
Foreign currency translation adjustment 16 (1) 17 (6)
Net unrealized gains on available-for-sale investments 34   1  
Total other comprehensive income (loss) 50 (1) 18 (6)
Comprehensive income (loss) $ 2,061 $ 972 $ 1,490 $ (504)