XML 44 R33.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Investment in Shoreditch Energy Limited (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Shoreditch [Member] |
Schedule of Equity Method Investments [Line Items] |
Summary of unaudited statements of operations |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
|  | (in thousands) |
Revenues |  | $ | 437 |  |  | $ | — |  |  | $ | 766 |  |  | $ | — |
Operating expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of revenues |  |  | 455 |  |  |  | — |  |  |  | 825 |  |  |  | — |
Selling, general and administrative |  |  | 1,152 |  |  |  | 244 |  |  |  | 2,916 |  |  |  | 244 |
Loss from operations |  |  | (1,170 | ) |  |  | (244 |  |  |  | (2,975 | ) |  |  | (244 | )
Other |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net loss |  | $ | (1,170 | ) |  | $ | (244 | ) |  | $ | (2,975 | ) |  | $ | (244 | )
Genie’s equity in net loss |  | $ | (767 | ) |  | $ | (159 | ) |  | $ | (1,988 | ) |  | $ | (159 | )

X
- Definition Tabular disclosure of condensed income statement, including, but not limited to, income statements of consolidated entities and consolidation eliminations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 3 -Paragraph i -Subsection 10 + Details
Name: | srt_ScheduleOfCondensedIncomeStatementTableTextBlock
Namespace Prefix: | srt_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=gne_ShoreditchMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |