2. GOING CONCERN (Details Narrative) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Risks and Uncertainties [Abstract]
Net losses	$ (459,225)us-gaap_NetIncomeLoss	$ (1,017,230)us-gaap_NetIncomeLoss
Working capital	(1,303,073)evsi_WorkingCapital
Accumulated deficit	(31,221,625)		(30,762,400)
Stockholders' deficit	$ (987,127)us-gaap_StockholdersEquity		$ (582,799)us-gaap_StockholdersEquity

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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