Condensed Consolidated Statement of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (9,113)	$ (10,259)
Other comprehensive loss, net of tax
Foreign currency translation adjustment	(231)	118
Total comprehensive loss	$ (9,344)	$ (10,141)