| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Jul'11 | Jul'10 |
|---|---|---|---|---|---|---|---|---|---|
Net Cash Provided By (Used In) Operating Activities [Abstract] | |||||||||
Net income attributable to Genie Energy Ltd. common stockholders | |||||||||
1,379 | 21,400 | -8,648 | -32,192 | -8,636 | -27,407 | -5,341 | -2,535 | -2,555 | 14,081 |
Adjustments To Reconcile Net Income (Loss) To Cash Provided By (Used In) Operating Activities [Abstract] | |||||||||
Depreciation and amortization | |||||||||
3,627 | 2,062 | 2,140 | 581 | 428 | 132 | - | - | - | - |
Write-off of capitalized exploration costs | |||||||||
- | - | 6,483 | 41,041 | 0 | 0 | - | - | - | - |
Goodwill impairment | |||||||||
- | - | - | - | - | 3,562 | 0 | 0 | - | - |
Gain on adjustment to estimated contingent payments | |||||||||
- | - | - | - | - | -206 | 0 | - | - | - |
Deferred income taxes | |||||||||
- | - | - | -139 | -180 | -622 | -241 | 4,508 | -684 | 690 |
Depreciation | |||||||||
- | - | - | - | - | - | 110 | 124 | 24 | 86 |
Deferred Income Tax Expense (Benefit) | |||||||||
3,471 | -13,483 | -360 | - | - | - | - | - | - | - |
Provision for doubtful accounts receivable | |||||||||
658 | 904 | 762 | 8 | -29 | 310 | 800 | - | 66 | 8 |
Share-based Compensation | |||||||||
1,102 | 4,523 | 5,213 | 4,813 | 5,229 | 10,758 | 4,180 | 3,429 | 751 | 315 |
Gain on sale disposal of property and equipment | |||||||||
- | 18 | - | -25 | -156 | 0 | -37 | 0 | 0 | - |
Gain on extinguishment of liability | |||||||||
- | 164 | - | 200 | 0 | 0 | - | - | - | - |
Impairment of goodwill | |||||||||
400 | - | - | - | - | - | - | - | - | - |
Asset Impairment | |||||||||
- | 2,742 | - | - | - | - | - | - | - | - |
Equity in the net loss in equity method investees | |||||||||
- | - | - | - | - | - | -3,194 | -3,175 | -5,238 | -1,603 |
Gain on consolidation of AMSO, LLC | |||||||||
- | - | - | 1,262 | 0 | - | - | - | - | - |
This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. | |||||||||
-4,830 | -3,430 | -565 | -222 | -397 | 0 | - | - | - | - |
Increase (Decrease) In Operating Capital [Abstract] | |||||||||
Restricted cash | |||||||||
- | - | - | -905 | 1,062 | -3,923 | 4,713 | 233 | 0 | 0 |
Increase (Decrease) In Accounts Receivable | |||||||||
12,041 | -7,817 | 8,024 | 6,030 | -4,234 | -11,189 | 2,679 | 14,711 | -1,007 | 7,941 |
Increase (Decrease) In Inventories | |||||||||
6,739 | 4,764 | -2,003 | -5,737 | 274 | 7,822 | 700 | -1,423 | 61 | -1,426 |
Increase (Decrease) In Prepaid Expense | |||||||||
124 | -219 | 2,027 | -7,539 | 5,615 | 2,306 | 93 | -638 | 1,095 | -32 |
Increase (Decrease) In Other Operating Assets | |||||||||
-1,137 | -2,726 | 3,703 | -2,863 | 2,346 | 2,664 | 243 | 783 | -156 | -763 |
Increase (Decrease) In Accounts Payable and Accrued Liabilities | |||||||||
5,506 | -7,846 | 15,110 | -9,566 | 4,341 | -5,718 | 6,883 | 6,275 | 3,953 | 6,171 |
Increase (Decrease) in Contract with Customer, Liability | |||||||||
12,271 | 547 | - | - | - | - | - | - | - | - |
Advances from customers | |||||||||
- | - | - | - | - | -700 | -746 | -781 | -370 | 976 |
Increase (Decrease) In Due To Related Parties, Current | |||||||||
147 | 20 | 88 | -298 | -104 | 1 | -59 | -157 | 0 | 0 |
Increase (Decrease) In Income Taxes Payable | |||||||||
128 | -741 | -222 | 1,503 | 380 | -1,532 | 831 | -1,380 | -954 | -1,352 |
Net cash (used in) provided by operating activities | |||||||||
15,752 | 19,374 | 9,380 | 15,550 | -3,081 | - | - | - | - | 16,858 |
Net cash (used in) provided by operating activities | |||||||||
- | - | - | - | - | -19,102 | 1,220 | -1,008 | 5,476 | - |
Net Cash Provided By (Used In) Investing Activities [Abstract] | |||||||||
Payments To Acquire Property, Plant, and Equipment | |||||||||
- | - | 3,292 | 586 | 324 | 1,437 | 313 | 91 | 151 | 147 |
Proceeds from Sale of Property, Plant, and Equipment | |||||||||
- | 62 | - | 27 | 0 | 0 | - | - | - | - |
The amount of cash acquired from consolidation of joint venture. | |||||||||
- | -745 | - | 702 | 0 | - | - | - | - | - |
Cash acquired from consolidation of AMSO, LLC | |||||||||
- | - | - | - | - | 0 | - | - | - | - |
Capital contribution to AMSO, LLC received from Total | |||||||||
- | -209 | - | 3,000 | 0 | 0 | - | - | - | - |
Payments to Acquire Businesses, Net of Cash Acquired | |||||||||
2,044 | 250 | 4,180 | 8,700 | 0 | 0 | 772 | - | 0 | - |
Payments to Acquire Intangible Assets | |||||||||
- | - | - | - | - | - | - | 175 | 0 | 0 |
Investment in equity method investee | |||||||||
3,235 | 1,306 | 3,970 | 0 | 0 | 0 | 2,700 | 4,102 | 3,943 | 1,991 |
Capital expenditures | |||||||||
404 | 584 | - | - | - | - | - | - | - | - |
Payments to Explore and Develop Oil and Gas Properties | |||||||||
214 | - | 5,531 | 12,884 | 26,969 | 0 | 0 | - | - | - |
Payments to Acquire Notes Receivable | |||||||||
- | - | - | - | - | 82 | 750 | 650 | 0 | 0 |
Payments to Acquire Interest in Subsidiaries and Affiliates | |||||||||
- | - | - | 63 | 250 | - | - | - | - | - |
Proceeds from Collection of Loans Receivable | |||||||||
124 | 94 | 445 | 50 | 50 | 0 | - | - | - | - |
Purchases of certificates of deposit | |||||||||
- | - | - | 2,974 | 8,820 | 4,655 | 4,329 | 2,205 | 0 | 0 |
Proceeds from maturities of certificates of deposit | |||||||||
- | - | - | 11,900 | 4,688 | 4,334 | 2,205 | - | - | - |
Net Cash Provided by (Used in) Investing Activities | |||||||||
-5,773 | -2,938 | -16,528 | -9,528 | -31,625 | - | - | - | - | 6,858 |
Proceeds from maturities of certificates of deposit | |||||||||
- | - | - | - | - | - | - | - | 0 | - |
Purchases of marketable securities | |||||||||
- | - | - | - | - | - | 3 | 11,484 | 0 | 0 |
Proceeds from maturities of marketable securities | |||||||||
- | - | - | - | - | - | 10,433 | 966 | 0 | 0 |
Net cash used in investing activities | |||||||||
- | - | - | - | - | -1,840 | 3,771 | -17,741 | -3,785 | - |
Net Cash Provided By (Used In) Financing Activities [Abstract] | |||||||||
Repayment of notes receivable | |||||||||
- | - | - | - | - | - | 0 | - | - | - |
Decrease in restricted cash | |||||||||
- | - | - | 0 | 0 | - | - | - | -309 | -8,996 |
Proceeds from sales of Class B common stock to Howard S. Jonas | |||||||||
- | - | - | - | - | 24,552 | 0 | 0 | - | - |
Repurchase of noncontrolling interests | |||||||||
- | - | - | - | - | - | - | - | 1,528 | - |
Dividends paid | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Purchase of equity of subsidiary | |||||||||
- | - | 312 | 0 | 0 | - | - | - | - | - |
Payment For Acquisitions | |||||||||
- | - | - | 227 | 358 | 1,138 | 0 | - | - | - |
Proceeds from Lines of Credit | |||||||||
- | - | 14,450 | 3,650 | 2,000 | 0 | 0 | - | - | - |
Proceeds from Stock Options Exercised | |||||||||
1,407 | - | 108 | 0 | 174 | 28 | 93 | 5 | 0 | 0 |
Capital contribution from IDT Corporation in connection with the spin-off | |||||||||
- | - | - | - | - | - | - | - | - | 0 |
Payments Of Dividends Common And Preferred Stock | |||||||||
9,595 | 9,256 | 8,908 | 7,395 | 4,431 | 2,825 | 1,131 | 4,205 | 0 | - |
Payment for option to purchase noncontrolling interests | |||||||||
- | - | - | 0 | 175 | 0 | 0 | - | - | - |
Increase in restricted cash | |||||||||
- | - | - | - | - | - | - | 10,017 | 0 | 0 |
Payments for Repurchase of Common Stock | |||||||||
5,584 | - | 829 | 29 | 27 | 1,070 | 269 | 204 | 0 | 0 |
Funding provided by IDT Corporation | |||||||||
- | - | - | - | - | - | - | - | 571 | -20,950 |
Distributions to noncontrolling interests | |||||||||
- | - | - | - | - | - | 42 | 0 | 0 | 0 |
Sales of Class B common stock and warrants | |||||||||
- | 6,000 | - | 1,000 | 2,500 | 0 | 422 | 0 | 10,000 | 5,400 |
Repayments of Long-term Lines of Credit | |||||||||
2,260 | - | 12,655 | 6,690 | 0 | 0 | - | - | - | - |
Repayment of notes payable | |||||||||
-45 | -10 | - | - | - | - | - | - | - | - |
Proceeds from loan | |||||||||
921 | - | - | - | - | - | - | - | - | - |
Proceeds from collection of receivables for issuance of equity. | |||||||||
- | - | - | 0 | 1,912 | 0 | 0 | - | - | - |
Payments for Repurchase of Other Equity | |||||||||
467 | 889 | - | - | - | - | - | - | - | - |
Net cash provided by (used in) financing activities | |||||||||
- | - | - | - | - | 19,547 | -927 | -14,421 | 9,043 | - |
Net cash provided by (used in) financing activities | |||||||||
-15,623 | -4,155 | -8,146 | -9,691 | 1,595 | - | - | - | - | -15,550 |
Effect Of Exchange Rate On Cash and Cash Equivalents | |||||||||
1 | -11 | 169 | 75 | 2 | -595 | 412 | 359 | 0 | 0 |
Cash and Cash Equivalents, Period Increase (Decrease) | |||||||||
-5,643 | 12,270 | -15,125 | -3,594 | -33,109 | -1,990 | 4,476 | -32,811 | 10,734 | 8,166 |
Supplemental Cash Flow Information [Abstract] | |||||||||
Interest Paid, Net | |||||||||
529 | 400 | 310 | 19 | 10 | - | - | - | - | - |
Cash payments made for interest | |||||||||
- | - | - | - | - | 3 | 12 | 0 | 5 | 0 |
Income Taxes Paid, Net | |||||||||
702 | 1,771 | 2 | 745 | 49 | 2,647 | 2,069 | 387 | 3,337 | 4,450 |
SUPPLEMENTAL SCHEDULE OF NON-CASH FINANCING AND INVESTING ACTIVITIES | |||||||||
Class B common stock issued for GRE deferred stock units | |||||||||
- | - | 1,845 | 0 | 0 | - | - | - | - | - |
Receivables For Issuance Of Equity Written Off | |||||||||
- | - | 1,667 | 0 | 0 | - | - | - | - | - |
Purchase of equity of subsidiary (Note 12) | |||||||||
- | -4,140 | - | 1,688 | 1,200 | 0 | - | - | - | - |
Liability incurred for acquisition and amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination. | |||||||||
- | 1,000 | - | 312 | 0 | - | - | - | - | - |
Liability incurred for acquisition | |||||||||
- | - | - | - | - | 0 | 2,475 | 0 | 0 | - |
Receivables for issuance of equity of subsidiaries | |||||||||
- | - | - | 0 | 2,500 | 0 | 0 | - | 1,000 | 0 |
Forgiveness of amount due from IDT Corporation | |||||||||
- | - | - | - | - | - | - | - | 0 | 14,859 |
Receivable for issuance of equity of subsidiary | |||||||||
- | - | - | 0 | 2,500 | - | - | - | 1,000 | 0 |