Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 01, 2014	Nov. 02, 2013	Nov. 01, 2014	Nov. 02, 2013
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (6,281)	$ (4,063)	$ (13,849)	$ (4,639)
Other comprehensive income (loss) before taxes:
Foreign currency translation	(144)	97	(37)	(110)
Pension plan	147	180	424	499
Other comprehensive income (loss) before taxes	3	277	387	389
Tax (provision) benefit related to items of other comprehensive income (loss)		(106)		(197)
Other comprehensive income (loss), net of tax	3	171	387	192
Comprehensive loss	$ (6,278)	$ (3,892)	$ (13,462)	$ (4,447)