Senior Revolving Credit Facility, Secured Convertible Notes, Convertible Preferred Stock, and Common Stock Warrants (Details) (USD $)	12 Months Ended			0 Months Ended
	Feb. 02, 2013	Feb. 02, 2013 Maximum [Member]	Feb. 02, 2013 Minimum [Member]	Feb. 03, 2011 Senior revolving credit facility [Member]	Feb. 02, 2013 Commercial Letter of Credit [Member]	Feb. 02, 2013 Open documentary letters of credit [Member]	Feb. 02, 2013 Standby Letters of Credit [Member]
Line of Credit Facility [Line Items]
Amount of senior revolving credit facility				$ 35,000,000		$ 3,700,000	$ 1,500,000
Increased senior revolving credit facility				50,000,000
Outstanding credit extensions, maximum percentage			10.00%
Outstanding credit extensions amount	4,000,000.0
Federal funds interest rate	0.50%
London Inter Bank Offered Rate	1.00%
Base Rate plus the applicable margin		1.00%	0.50%
LIBOR plus a margin interest rate		2.00%	1.50%		23.00%
Annual interest rate on the revolving credit facility	(i) the higher of the lender’s prime rate, the Federal funds rate plus 0.5% or the one month London InterBank Offered Rate (LIBOR) plus 1.0%, collectively referred to as the “Base Rate”, plus the applicable margin ranging from 0.5% to 1.0% or, (ii) if the Company elects, either the one, two, three or six months LIBOR plus a margin ranging from 1.5% to 2.0%. The applicable Base Rate or LIBOR margin is based on the level of average excess availability, as defined under the Facility, at the time of election, as adjusted quarterly.
Unused portion of the line of credit	0.25%
Cash advances and the issuance of additional letters of credit	$ 29,800,000