Income Taxes - Deferred Tax Assets (Liabilities) (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 01, 2014	Feb. 02, 2013
Deferred Tax Assets and Liabilities Current [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Accruals	$ 1,944	$ 1,112
Inventory	(16,030)	(15,365)
Deferred rent	685	583
Prepaids	(801)	(1,082)
Allowance for bad debts	26	22
Deferred tax asset (liability)	(14,176)	(14,730)
Less: Valuation allowance	(4,631)	(166)
Deferred tax asset (liability), net	(18,807)	(14,896)
Deferred Tax Assets and Liabilities Noncurrent [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Depreciation	(830)	(2,822)
State net operating loss carry forwards	1,585	1,413
Deferred rent	1,237	3,209
Amortization	593	242
State tax	(67)	28
Effect of flow-through entity	2	48
Stock compensation	326	406
Deferred tax asset (liability)	2,846	2,524
Less: Valuation allowance	(3,252)	(871)
Deferred tax asset (liability), net	$ (406)	$ 1,653