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Related Party Transactions (Details) (USD $)
 0 Months Ended 3 Months Ended
Nov. 17, 2014
May 02, 2015
Jan. 02, 2011
Related Party Transaction [Line Items]      
Stock Issued During Period, Value, Acquisitions $ 1,044,000us-gaap_StockIssuedDuringPeriodValueAcquisitions    
payments to acquire intangible assets - EVINE 20,000evlv_PaymentstoacquireintangibleassetsEVINE    
Current Fiscal Year End Date   --01-30  
Stock Issued During Period, Shares, Acquisitions 178,842us-gaap_StockIssuedDuringPeriodSharesAcquisitions    
Payments to Acquire Intangible Assets $ 39,000us-gaap_PaymentsToAcquireIntangibleAssets    
Comcast [Member]      
Related Party Transaction [Line Items]      
Equity Method Investment, Ownership Percentage in NBCU     51.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= evlv_ComcastMember
GE [Member]      
Related Party Transaction [Line Items]      
Equity Method Investment, Ownership Percentage in NBCU     49.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= evlv_GeMember
Common Stock Shares Held in Subsidiary   3,574,106evlv_CommonStockSharesHeldInSubsidiary
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= evlv_GeMember		  
Number of Members Related Party Entitled to Appoint to Board of Directors   2evlv_NumberOfMembersRelatedPartyEntitledToAppointToBoardOfDirectors
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= evlv_GeMember		  
NBCU [Member]      
Related Party Transaction [Line Items]      
Common Stock Shares Held in Subsidiary   7,141,849evlv_CommonStockSharesHeldInSubsidiary
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= evlv_NbcuMember		  
Minimum Beneficial Ownership to Retain Board Seat   5.00%evlv_MinimumBeneficialOwnershipToRetainBoardSeat
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= evlv_NbcuMember