Income Taxes - Deferred Tax Assets (Liabilities) (Detail) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Feb. 01, 2014
Components Of Deferred Tax Assets And Liabilities [Line Items]
State net operating loss carry forwards	$ 1,000
Deferred Tax Assets and Liabilities Current [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Property & Equipment	0	0
Accruals	2,751	1,944
Inventory	(17,182)	(16,030)
State net operating loss carry forwards	0	0
Deferred rent	647	685
Prepaids	(1,123)	(801)
Intangible Assets	0	0
Allowance for bad debts	36	26
State and local tax	0	0
Effect of flow-through entity	126	0
Stock compensation	0	0
Equity Investment	0	0
Deferred tax asset (liability)	(14,745)	(14,176)
Less: Valuation allowance	(3,947)	(4,631)
Deferred tax (liability), net	(18,692)	(18,807)
Deferred Tax Assets and Liabilities Noncurrent [Member]
Components Of Deferred Tax Assets And Liabilities [Line Items]
Property & Equipment	(2,094)	(830)
Accruals	0	0
Inventory	0	0
State net operating loss carry forwards	960	1,585
Deferred rent	1,891	1,237
Prepaids	0	0
Intangible Assets	8	593
Allowance for bad debts	0	0
State and local tax	(67)	(67)
Effect of flow-through entity		2
Stock compensation	228	326
Equity Investment	(176)	0
Deferred tax asset (liability)	750	2,846
Less: Valuation allowance	(1,973)	(3,252)
Deferred tax (liability), net	$ (1,223)	$ (406)