Condensed Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net loss	$ (6,779)	$ (8,284)	$ (19,367)	$ (20,524)
Foreign currency translation adjustments, net of tax of zero	762	689	(837)	861
Defined benefit pension plans adjustment, net of tax of $73			118
Unrealized (losses) gains on investments, net of tax of zero		(35)	3	(54)
Comprehensive loss	$ (6,017)	$ (7,630)	$ (20,083)	$ (19,717)