XML 47 R34.htm IDEA: XBRL DOCUMENT v2.4.1.9
Notes Payable, Long-Term Debt and Other Financing (Details Narrative) (USD $)
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Debt Instrument [Line Items]      
Long term interest payable $ 1,502,000ENVS_LongTermInterestPayable   $ 1,482,000ENVS_LongTermInterestPayable
Interest expense on notes payable 20,000us-gaap_InterestExpenseMediumTermNotes 19,000us-gaap_InterestExpenseMediumTermNotes  
Accrued liability 8,000us-gaap_AccruedLiabilitiesCurrent    
Accrued settlements for vehicles 18,000ENVS_AccruedSettlementsForVehicles    
CreditManagersAssociationofCaliforniaMember      
Debt Instrument [Line Items]      
Long term interest payable $ 1,461,000ENVS_LongTermInterestPayable
/ us-gaap_DebtInstrumentAxis
= ENVS_CreditManagersAssociationofCaliforniaMember		   $ 1,442,000ENVS_LongTermInterestPayable
/ us-gaap_DebtInstrumentAxis
= ENVS_CreditManagersAssociationofCaliforniaMember