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15. RELATED PARTY TRANSACTIONS (Details Narrative) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Stock Issued for Services - Related Party	$ 92,528evsi_StockIssuedForServicesRelatedParty
Note payable balance	43,033us-gaap_NotesPayableCurrent	73,033us-gaap_NotesPayableCurrent
GreenCore Capital [Member]
Payments on related party note	93,000us-gaap_RepaymentsOfRelatedPartyDebt / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = evsi_GreenCoreCapitalMember
Stock Issued for Services - Related Party	92,528evsi_StockIssuedForServicesRelatedParty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = evsi_GreenCoreCapitalMember
Stock Issued for Services - Related Party (Shares)	616,856evsi_StockIssuedForServicesRelatedPartyShares / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = evsi_GreenCoreCapitalMember
Professional services rendered		56,750us-gaap_ProfessionalFees / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = evsi_GreenCoreCapitalMember
Cronus [Member]
Professional services rendered	41,817us-gaap_ProfessionalFees / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = evsi_CronusMember
Fellco [Member]
Professional services rendered	5,135us-gaap_ProfessionalFees / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = evsi_FellcoMember
John Evey [Member]
Payments on related party note	12,000us-gaap_RepaymentsOfRelatedPartyDebt / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = evsi_JohnEveyMember	12,067us-gaap_RepaymentsOfRelatedPartyDebt / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = evsi_JohnEveyMember
Note payable balance	98,616us-gaap_NotesPayableCurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = evsi_JohnEveyMember
Accrued and unpaid interest	$ 24,573us-gaap_InterestPayableCurrentAndNoncurrent / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = evsi_JohnEveyMember

X

- Definition

Stock Issued for Services - Related Party

+ References

No definition available.

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Balance Type:	credit
Period Type:	duration

X

- Definition

Stock Issued for Services - Related Party (Shares)

+ References

No definition available.

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X

- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.15(5))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.15(a))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph a

-Article 7



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph 5

-Article 9

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X

- Definition

Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19,20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20

-Article 5

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X

- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.6-07.2(a),(b),(c),(d))

-URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999



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-Name Accounting Standards Codification

-Topic 946

-SubTopic 225

-Section 45

-Paragraph 3

-Subparagraph (k)

-URI http://asc.fasb.org/extlink&oid=6488370&loc=d3e13550-115849

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- Definition

The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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