CONDENSED CONSOLIDATED 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
Statement of Comprehensive Income [Abstract]
Net loss	$ (2,152)	$ (4,638)	$ (7,014)	$ (10,633)
Other comprehensive loss
Foreign currency translation	0	5	0	5
Comprehensive loss	$ (2,152)	$ (4,633)	$ (7,014)	$ (10,628)