Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (2,256)	$ (8,408)	$ (12,295)
Other comprehensive income (loss) before taxes:
Foreign currency translation	(242)	(96)	(430)
Pension plan	876	1,682	(3,248)
Other comprehensive income (loss) before taxes	634	1,586	(3,678)
Other comprehensive income (loss), net of tax	634	1,586	(3,678)
Comprehensive loss	$ (1,622)	$ (6,822)	$ (15,973)