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Income Taxes (Details) (USD $)
12 Months Ended 144 Months Ended 156 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Jan. 31, 2026
Jan. 31, 2027
Jan. 31, 2012
Income Taxes (Details) [Line Items]            
Deferred Tax Assets, Valuation Allowance $ 97,945,000us-gaap_DeferredTaxAssetsValuationAllowance $ 98,493,000us-gaap_DeferredTaxAssetsValuationAllowance     97,900,000us-gaap_DeferredTaxAssetsValuationAllowance  
Income Taxes Paid, Net 0us-gaap_IncomeTaxesPaidNet 100,000us-gaap_IncomeTaxesPaidNet 100,000us-gaap_IncomeTaxesPaidNet      
Unrecognized Tax Benefits 1,930,000us-gaap_UnrecognizedTaxBenefits 2,018,000us-gaap_UnrecognizedTaxBenefits 2,078,000us-gaap_UnrecognizedTaxBenefits     2,078,000us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 1,500,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate          
Income Tax Examination, Penalties and Interest Expense 100,000us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense          
Liability for Uncertain Tax Positions, Current 2,600,000us-gaap_LiabilityForUncertainTaxPositionsCurrent          
Income Tax Examination, Penalties and Interest Accrued 1,800,000us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued          
Domestic Tax Authority [Member]            
Income Taxes (Details) [Line Items]            
Operating Loss Carryforwards 158,800,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_DomesticCountryMember
         
Tax Credit Carryforward, Amount 1,200,000us-gaap_TaxCreditCarryforwardAmount
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_DomesticCountryMember
         
Deferred Tax Assets, Tax Credit Carryforwards 500,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_DomesticCountryMember
         
Tax Credit Carryforward Expiration Year       2026    
State and Local Jurisdiction [Member]            
Income Taxes (Details) [Line Items]            
Operating Loss Carryforwards 247,000,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_StateAndLocalJurisdictionMember
         
Tax Credit Carryforward, Amount       1,100,000us-gaap_TaxCreditCarryforwardAmount
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_StateAndLocalJurisdictionMember
   
Deferred Tax Assets, Tax Credit Carryforwards       200,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_StateAndLocalJurisdictionMember
   
Tax Credit Carryforward Expiration Year         2027