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Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
May 02, 2015
May 03, 2014
Jan. 31, 2015
Allowance for Doubtful Accounts      
Allowance for doubtful accounts $ 0us-gaap_AllowanceForDoubtfulAccountsReceivable   $ 0us-gaap_AllowanceForDoubtfulAccountsReceivable
Property and Equipment      
Less: Accumulated depreciation (1,288)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment   (1,193)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property and Equipment, net 1,243us-gaap_PropertyPlantAndEquipmentNet   1,165us-gaap_PropertyPlantAndEquipmentNet
Depreciation expense 96us-gaap_DepreciationDepletionAndAmortization 102us-gaap_DepreciationDepletionAndAmortization  
Computer Equipment      
Property and Equipment      
Property and Equipment, gross 596us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
  426us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
Estimated useful life 3 years    
Software      
Property and Equipment      
Property and Equipment, gross 62us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
  62us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
Estimated useful life 3 years    
Furniture and Store Fixtures      
Property and Equipment      
Property and Equipment, gross 1,458us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
  1,457us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
Furniture and Store Fixtures | Maximum      
Property and Equipment      
Estimated useful life 7 years    
Leasehold Improvements      
Property and Equipment      
Property and Equipment, gross $ 415us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
  $ 413us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
Leasehold Improvements | Maximum      
Property and Equipment      
Estimated useful life 5 years