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Stock-Based Compensation (Details 3) (Nonvested Restricted Common Stock and Performance Shares [Member], USD $)
6 Months Ended
Aug. 03, 2013
Nonvested Restricted Common Stock and Performance Shares [Member]
 
Number of Shares:  
Nonvested at February 2, 2013 644,492
Granted 777,176
Vested (30,000)
Forfeited (49,601)
Nonvested at August 3, 2013 1,342,067
Weighted-Average Grant-Date Fair Value (in dollars per share):  
Nonvested at February 2, 2013 $ 2.89
Granted $ 3.01
Vested $ 3.34
Forfeited $ 3.08
Nonvested at August 3, 2013 $ 2.94