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STATEMENTS OF STOCKHOLDERS’ EQUITY (DEFICIT) (USD $)
Series B Preferred Stock
Common Stock To Be Issued
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Total
Beginning Balance, Amount at Dec. 31, 2012 $ 1,094,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_SeriesBPreferredStockMember
$ 528,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= ENVS_CommonStockToBeIssuedMember
$ 145,512,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 9,579,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ (159,347,000)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ 2,634,000us-gaap_StockholdersEquity
Beginning Balance, Shares at Dec. 31, 2012 546,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_SeriesBPreferredStockMember
59,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= ENVS_CommonStockToBeIssuedMember
44,520,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Stock option expense       16,000us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
  16,000us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition
Net loss for the period         (2,904,000)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(2,904,000)us-gaap_NetIncomeLoss
Ending Balance, Amount at Dec. 31, 2013 1,094,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_SeriesBPreferredStockMember
528,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= ENVS_CommonStockToBeIssuedMember
145,512,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
9,595,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
(162,251,000)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(5,522,000)us-gaap_StockholdersEquity
Ending Balance, Shares at Dec. 31, 2013 546,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_SeriesBPreferredStockMember
59,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= ENVS_CommonStockToBeIssuedMember
44,520,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Issuance of common stock for cash, Shares   1,250,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= ENVS_CommonStockToBeIssuedMember
20,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Issuance of common stock for cash, Amount   25,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= ENVS_CommonStockToBeIssuedMember
223,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
    248,000us-gaap_StockIssuedDuringPeriodValueNewIssues
Stock option expense       24,000us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
  24,000us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition
Net loss for the period         (619,000)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(619,000)us-gaap_NetIncomeLoss
Ending Balance, Amount at Dec. 31, 2014 $ 1,094,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_SeriesBPreferredStockMember
$ 553,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= ENVS_CommonStockToBeIssuedMember
$ 145,735,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 9,619,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ (162,870,000)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ (5,869,000)us-gaap_StockholdersEquity
Ending Balance, Shares at Dec. 31, 2014 546,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_SeriesBPreferredStockMember
1,309,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= ENVS_CommonStockToBeIssuedMember
64,520,000us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember