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Common Stock Shares Issued to Non-Employee Directors as Compensation (Detail) (Non Employee Directors, USD $)
12 Months Ended
Feb. 01, 2014
Feb. 02, 2013
Jan. 28, 2012
Non Employee Directors
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares of common stock issued 43,541 31,707 28,030
Fair value of common stock issued $ 255,884 $ 123,976 $ 117,221