Commitments and Contingencies - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended
	Jan. 31, 2014	Nov. 01, 2014	Nov. 02, 2013	Nov. 01, 2014	Nov. 02, 2013
Commitments and Contingencies Disclosure [Abstract]
Estimated costs associated with the replacement program					$ 672,000
Replacement costs charged against the reserve		271,000		271,000
Other Accrued Expenses		402,000		402,000
Non-refundable settlement from supplier for recovery	$ 450,000
Period of receiving lower product prices				3 years