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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2014 | Dec. 31, 2013 USD ($) | Dec. 31, 2013 CAD | Dec. 31, 2013 Minimum | Dec. 31, 2013 Maximum
Cash Equivalents |  |  |  |  |
Amount in the Texas Bank accounts insured by FDIC |  | $ 250,000 us-gaap_CashFDICInsuredAmount |  |  |
Amount in the Alberta Bank accounts insured by CDIC |  |  | 100,000 tge_CashCDICInsuredAmount |  |
Property and equipment |  |  |  |  |
Estimated useful lives of property and equipment |  |  |  | 1 year | 7 years
Revenue Recognition |  |  |  |  |
Minimum period of prior notice to cancel supplemental agreement | 30 days | 30 days | 30 days |  |

X
- Definition The amount of cash deposited in financial institutions, as of the balance sheet date, that is insured by the Canadian Deposit Insurance Corporation. + References No definition available. + Details
Name: | tge_CashCDICInsuredAmount
Namespace Prefix: | tge_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the minimum period of notice which is required to exercise the right to cancel the supplemental agreement setting forth the terms of project. + References No definition available. + Details
Name: | tge_MinimumPeriodOfWrittenNoticeToCancelSupplementalAgreement
Namespace Prefix: | tge_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation. + References No definition available. + Details
Name: | us-gaap_CashFDICInsuredAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RevenueRecognitionAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration