Earnings (Loss) Per Share - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Nov. 01, 2015	Jan. 31, 2016	Feb. 01, 2015	Jan. 14, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options to purchase common stock outstanding		945,578	762,150
Restricted Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Restricted shares outstanding		8,159	40,000
Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of shares authorized to be repurchased (shares)				1,500,000
Number of shares repurchased (shares)	340,800
Weighted average price paid per share (usd per share)	$ 12.50
Shares repurchased	$ 4.3
Remaining number of shares authorized to be repurchased (shares)		1,159,200