CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) [Abstract]
Net loss	$ (15,609)	$ (655)	$ (18,040)	$ (1,137)
Other comprehensive income (loss):
Change in foreign currency translation adjustment	(44)	15	(38)	84
Change in net unrealized gain (loss) on investments	(9)	(8)	24	0
Other comprehensive income (loss)	(53)	7	(14)	84
Comprehensive loss	$ (15,662)	$ (648)	$ (18,054)	$ (1,053)