Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Nov. 01, 2014	Nov. 02, 2013	Nov. 01, 2014	Nov. 02, 2013
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ (476,000)	$ (590,000)	$ (442,000)	$ 3,485,000
Pretax loss from continuing operations	7,500,000	7,700,000	16,500,000	16,300,000
Effective income tax rate	6.30%	7.70%	2.70%	(21.00%)
Deferred tax asset, change in valuation allowance	2,100,000		5,100,000
Unrecognized tax benefits inclusive of estimated interest and penalties	100,000		100,000
Unrecognized tax benefits, estimated interest and penalties accrued	$ 56,000		$ 56,000