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Business Segment Information | 6 Months Ended
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Jun. 30, 2020
Business Segment Information [Abstract] |
Business Segment Information | Note 17—Business Segment Information The Company has 4 reportable business segments: GRE, GRE International, GES and GOGAS. GRE owns and operates REPs, including IDT Energy, Residents Energy, TSE, and Mirabito. Its REP businesses resell electricity and natural gas to residential and small business customers in the Eastern and Midwestern United States. GRE International, operates REPs in Japan, Finland and Sweden and manages the Company's share in operations of Shoreditch in the U.K. GES designs, manufactures and distributes solar panels, and also offers energy brokerage and advisory services. The GOGAS segment is comprised of the Company’s 86.1% interest in Afek, an oil and gas exploration project in the Golan Heights in Northern Israel, whose operations have been suspended. GOGAS segment also owns inactive oil shale projects and the Company's equity investment in Atid 613. Corporate costs include unallocated compensation, consulting fees, legal fees, business development expenses and other corporate-related general and administrative expenses. Corporate does not generate any revenues, nor does it incur any cost of revenues. The Company’s reportable segments are distinguished by types of service, customers and methods used to provide their services. The operating results of these business segments are regularly reviewed by the Company’s chief operating decision-maker. The accounting policies of the segments are the same as the accounting policies of the Company as a whole. The Company evaluates the performance of its business segments based primarily on income (loss) from operations. There are no significant asymmetrical allocations to segments. Operating results for the business segments of the Company were as follows:
(in thousands) |  | GRE |  |  | GRE International |  |  | GES |  |  | GOGAS |  |  | Corporate |  |  | Total |
Three Months Ended June 30, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 66,472 |  |  | $ | 5,037 |  |  | $ | 4,566 |  |  | $ | — |  |  | $ | — |  |  | $ | 76,075 |
Income (loss) from operations |  |  | 5,957 |  |  |  | (607 | ) |  |  | (1,113 | ) |  |  | (172 | ) |  |  | (1,335 | ) |  |  | 2,730 |
Impairment of assets |  |  | — |  |  |  | — |  |  |  | 801 |  |  |  | — |  |  |  | — |  |  |  | 801 |
Equity in the net (loss) income of equity method investees |  |  | — |  |  |  | (1,502 | ) |  |  | — |  |  |  | 224 |  |  |  | 105 |  |  |  | (1,173 | )
Three Months Ended June 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 54,431 |  |  | $ | 2,870 |  |  | $ | 3,708 |  |  | $ | — |  |  | $ | — |  |  | $ | 61,009 |
Loss from operations |  |  | (5,418 | ) |  |  | (1,607 | ) |  |  | (682 | ) |  |  | (381 | ) |  |  | (1,188 | ) |  |  | (9,276 | )
Equity in net loss of equity method investees |  |  | — |  |  |  | (867 | ) |  |  | — |  |  |  | (204 | ) |  |  | — |  |  |  | (1,071 | )
Six Months Ended June 30, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 145,617 |  |  | $ | 11,990 |  |  | $ | 22,519 |  |  | $ | — |  |  | $ | — |  |  | $ | 180,126 |
Income (loss) from operations |  |  | 18,974 |  |  |  | (3,127 | ) |  |  | (771 | ) |  |  | (395 | ) |  |  | (2,738 | ) |  |  | 11,943 |
Impairment of assets |  |  | — |  |  |  | — |  |  |  | 993 |  |  |  | — |  |  |  | — |  |  |  | 993 |
Equity in the net loss of equity method investees |  |  | — |  |  |  | (1,502 | ) |  |  | — |  |  |  | (36 | ) |  |  | (14 | ) |  |  | (1,552 | )
Six Months Ended June 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 130,949 |  |  | $ | 7,713 |  |  | $ | 8,964 |  |  | $ | — |  |  | $ | — |  |  | $ | 147,626 |
Income (loss) from operations |  |  | 8,085 |  |  |  | (3,350 | ) |  |  | (914 | ) |  |  | (545 | ) |  |  | (2,718 | ) |  |  | 558 |
Equity in net the (loss) income of equity method investees |  |  | — |  |  |  | (1,938 | ) |  |  | — |  |  |  | 70 |  |  |  | — |  |  |  | (1,868 | )
Total assets for the business segments of the Company were as follows:
(in thousands) |  | GRE |  |  | GRE International |  |  | GES |  |  | GOGAS |  |  | Corporate |  |  | Total |
Total assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2020 |  | $ | 107,780 |  |  | $ | 10,745 |  |  | $ | 7,124 |  |  | $ | 12,957 |  |  | $ | 3,815 |  |  | $ | 142,421 |
December 31, 2019 |  |  | 105,937 |  |  |  | 11,468 |  |  |  | 19,383 |  |  |  | 10,873 |  |  |  | 8,583 |  |  |  | 156,244 |

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8981-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8657-108599 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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