v3.7.0.1
Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Statement of Comprehensive Income [Abstract]    
Net loss $ (15,248) $ (8,932)
Unrealized gain on short-term investments 162 807
Changes in pension plan assets and benefit obligations (1) 1
Tax effect of the above-listed adjustments (58) (332)
Total comprehensive loss $ (15,145) $ (8,456)