Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net loss	$ (27,581)	$ (49,404)	$ (43,474)	[1]
Translation adjustments	(556)	(438)	(325)
Adjustment for fair value of hedge derivatives, net of tax	123	(110)	9
Other comprehensive loss	(433)	(548)	(316)
Comprehensive loss	$ (28,014)	$ (49,952)	$ (43,790)

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