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Net Income Per Common Share (Details Textual)
3 Months Ended 6 Months Ended
Jul. 28, 2012
Jul. 30, 2011
Jul. 28, 2012
Jul. 30, 2011
Net Income Per Common Share (Textual) [Abstract]        
Anti-dilutive option 605,844 615,769 605,844 736,590