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Income Taxes - Reconciliation of Income Tax Expense (Benefit) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Reconciliation Of Income Taxes [Line Items]
Benefit for income taxes at statutory rate	$ (17,979)	$ (28,380)	$ (27,208)
State income taxes, net of federal income tax benefit	(881)	(1,209)	(1,387)
Valuation allowance	19,415	28,958	29,745
Derivative liability	2	1,764
Other	291	(101)	(86)
Total income tax expense	$ 848	$ 1,032	$ 1,064

- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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- Definition

The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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