Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 01, 2015	Aug. 02, 2014	Aug. 01, 2015	Aug. 02, 2014
Income Tax Disclosure [Abstract]
Income tax (expense) benefit	$ (142)	$ (17)	$ 247	$ (34)
Pretax loss from continuing operations	$ 5,600	$ 3,000	$ 11,100	$ 9,000
Effective income tax rate	(2.50%)	(0.60%)	2.20%	(0.40%)
Deferred tax asset, change in valuation allowance	$ 1,700	$ 700	$ 3,600	$ 3,000
Deferred tax asset associated with an increase in a deferred tax liability accounted for as a discrete item for which a valuation allowance was not recognized		$ 900		$ 900
Unrecognized tax benefits inclusive of estimated interest and penalties	100		100
Unrecognized tax benefits, estimated interest and penalties accrued	$ 60		$ 60