Stock-Based Compensation - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock options granted	200,000	175,000	200,000	175,000
Restricted stock units granted	104,000	94,000	104,000	94,000
Total stock-based compensation expense	$ 729,000	$ 663,000	$ 1,400,000	$ 1,500,000