XML 31 R57.htm IDEA: XBRL DOCUMENT
v2.4.1.9

BASIS OF PRESENTATION (Details) | 9 Months Ended | 12 Months Ended | 0 Months Ended
--- | --- | --- | ---
Sep. 30, 2014 | Dec. 31, 2013 | Oct. 08, 2014
Merger |  |  |
Percentage of ownership interest |  |  | 34.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
Revenue Recognition |  |  |
Minimum period of prior notice to cancel supplemental agreement | 30 days | 30 days |
Subsequent Event [Member] | Dawson Geophysical Company [Member] |  |  |
Merger |  |  |
Share consideration (in shares) |  |  | 1.760 us-gaap_StockIssuedDuringPeriodSharesAcquisitions / us-gaap_BusinessAcquisitionAxis = tge_DawsonGeophysicalCompanyMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Reverse stock split ratio |  |  | 0.33 us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 / us-gaap_BusinessAcquisitionAxis = tge_DawsonGeophysicalCompanyMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Percentage of ownership interest |  |  | 66.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_BusinessAcquisitionAxis = tge_DawsonGeophysicalCompanyMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Percentage of outstanding shares subject to approvaL by shareholders |  |  | 66.67%tge_PercentageOfOutstandingShares / us-gaap_BusinessAcquisitionAxis = tge_DawsonGeophysicalCompanyMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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

X
- Definition Represents the percentage of outstanding shares subject to approval by shareholders + References No definition available. + Details
Name: | tge_PercentageOfOutstandingShares
Namespace Prefix: | tge_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Stock Split -URI http://asc.fasb.org/extlink&oid=6525746 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 + Details
Name: | us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares of stock issued during the period pursuant to acquisitions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesAcquisitions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |