CONSOLIDATED AND CONDENSED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
CONSOLIDATED AND CONDENSED STATEMENTS OF COMPREHENSIVE LOSS
Net loss	$ (19,334)	$ (23,375)	$ (46,470)	$ (51,401)
Other comprehensive loss:
Foreign currency translation adjustments	(192)	126	(48)	7
Net unrealized loss on available-for-sale investments	(48)		(2)
Comprehensive loss	$ (19,574)	$ (23,249)	$ (46,520)	$ (51,394)