Other Current Liabilities - Additional Information (Detail) (USD $)	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012
Schedule Of Other Current Liabilities [Line Items]
Convertible Series B Preferred Stock Issued	1,000	1,000
Term loan maturity period	5 years
Fair value of derivative liability	$ 20,100,000
Series B Preferred Stock [Member]
Schedule Of Other Current Liabilities [Line Items]
Convertible Series B Preferred Stock Issued	1,000
Fair value of Series B Preferred Stock		15,037,000
Five Year Term Loan [Member]
Schedule Of Other Current Liabilities [Line Items]
Senior secured term loan	$ 60,000,000