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Basic and Diluted Net Loss Per Common Share - Textuals (Details)
3 Months Ended
May 02, 2015
May 03, 2014
Earnings Per Share [Abstract]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 7,516,492us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 7,507,267us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount