Condensed Consolidated Statements of Comprehensive Loss (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net loss	$ (7,707)	$ (3,583)	$ (9,877)	$ (13,557)
Other comprehensive loss:
Foreign currency translation adjustment	2	(15)	(146)	(121)
Net change in accumulated other comprehensive loss	2	(15)	(146)	(121)
Comprehensive loss	$ (7,705)	$ (3,598)	$ (10,023)	$ (13,678)