Annual report pursuant to Section 13 and 15(d)

Income Taxes Effective Tax Rate Reconciliation (Details)

v2.4.1.9
Income Taxes Effective Tax Rate Reconciliation (Details)
12 Months Ended
Feb. 01, 2014
Feb. 02, 2013
Jan. 28, 2012
Income Tax Disclosure [Abstract]      
Taxes at federal statutory rates 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
State income taxes, net of federal tax benefit (11.20%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes (5.30%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 1.80%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Non-cash stock option vesting expense (158.60%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost (43.30%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost (3.80%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
Other (2.40%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther (0.60%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther 0.10%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent (133.40%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses (81.50%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses
Valuation allowance and NOL carryforward benefits 124.00%evlv_EffectiveIncomeTaxRateReconciliationValuationAllowanceAndOperatingLossCarryforwards 8.40%evlv_EffectiveIncomeTaxRateReconciliationValuationAllowanceAndOperatingLossCarryforwards (33.20%)evlv_EffectiveIncomeTaxRateReconciliationValuationAllowanceAndOperatingLossCarryforwards
Effective tax rate (146.60%)us-gaap_EffectiveIncomeTaxRateContinuingOperations (87.30%)us-gaap_EffectiveIncomeTaxRateContinuingOperations (0.10%)us-gaap_EffectiveIncomeTaxRateContinuingOperations