CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS    
Net loss $ (4,231) $ (539)
Other comprehensive loss:    
Foreign currency translation adjustment, net of tax (180) 1
Net unrealized gains (losses) on available-for-sale investments, net of tax 25 (21)
Total other comprehensive loss (155) (20)
Comprehensive loss $ (4,386) $ (559)