Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (9,589)	$ (14,758)
Other comprehensive income:
Foreign currency translation	0	1
Total comprehensive loss	$ (9,589)	$ (14,757)