Quarterly report pursuant to Section 13 or 15(d)

Business Acquisition (Details)

v2.4.1.9
Business Acquisition (Details) (Upside Holdings, Inc., USD $)
In Thousands, except Share data, unless otherwise specified
0 Months Ended 3 Months Ended
Feb. 24, 2015
Mar. 31, 2015
Feb. 24, 2015
Business acquisitions      
Subsequent service condition for vesting of restricted stock awards 2 years    
Percentage for full award of unvested restricted stock 100.00%env_PercentageRequiredForFullVestingOfStockAwardsInConnectionWithBusinessAcquisition    
Consideration transferred in acquisition      
Estimated fair value of consideration $ 3,040env_BusinessCombinationConsiderationTransferredNetOfCashReceived    
Upfront consideration 2,425us-gaap_PaymentsToAcquireBusinessesGross    
Purchase liabilities 615env_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPromissoryNote    
Estimated working capital settlement (385)env_BusinessAcquisitionWorkingCapitalAdjustment    
Cash acquired (14)us-gaap_CashAcquiredFromAcquisition    
Consideration for acquisition 2,641us-gaap_BusinessCombinationConsiderationTransferred1    
Estimated fair values of the assets acquired and liabilities assumed      
Total tangible assets acquired 7env_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTangibleAssets   7env_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTangibleAssets
Total liabilities assumed (427)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities   (427)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
Identifiable intangible assets 3,061us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill   3,061us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
Total net assets acquired 2,641us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet   2,641us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
Acquisition related costs   $ 202us-gaap_BusinessCombinationAcquisitionRelatedCosts  
Maximum
     
Business acquisitions      
Potential shares earned for 2015   22,064env_RestrictedStockEarnedInFirstYearOfEarnOutProvision
/ us-gaap_BusinessAcquisitionAxis
= env_UpsideHoldingsIncMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Potential shares earned for 2016   44,128env_RestrictedStockEarnedInSecondYearOfEarnOutProvision
/ us-gaap_BusinessAcquisitionAxis
= env_UpsideHoldingsIncMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Potential shares earned for 2017   66,192env_RestrictedStockEarnedInThirdYearOfEarnOutProvision
/ us-gaap_BusinessAcquisitionAxis
= env_UpsideHoldingsIncMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember