Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 31,242	$ 41,601
Restricted cash - short-term	6,792	1,653
Trade accounts receivable, net of allowance for doubtful accounts of $2,631 and $2,003 at December 31, 2019 and 2018, respectively	49,822	35,920
Inventory	16,632	9,893
Prepaid expenses	6,318	6,167
Other current assets	2,133	2,670
TOTAL CURRENT ASSETS	112,939	97,904
Property and equipment, net	3,607	4,301
Goodwill	12,135	11,082
Other intangibles, net	6,837	6,321
Investment in equity method investees	675	2,208
Restricted cash - long-term	520	943
Deferred income tax assets, net	12,154	15,625
Other assets	7,377	8,480
TOTAL ASSETS	156,244	146,864
CURRENT LIABILITIES:
Loans payable	921
Current portion of notes payable	116	923
Trade accounts payable	24,387	18,508
Accrued expenses	26,116	25,242
Contract liability	13,426	1,137
Income taxes payable	1,591	1,463
Due to IDT Corporation	381	234
Short-term revolving line of credit	2,514
Other current liabilities	2,704	3,279
TOTAL CURRENT LIABILITIES	72,156	50,786
Long-term notes payable	777
Long-term revolving line of credit		2,516
Other liabilities	2,381	900
TOTAL LIABILITIES	75,314	54,202
Commitments and contingencies (Note 15 and Note 16)
Genie Energy Ltd. stockholders' equity:
Preferred stock, $0.01 par value; authorized shares 10,000: Series 2012-A, designated shares – 8,750; at liquidation preference, consisting of 2,322 shares issued and outstanding at December 31, 2019 and 2018	19,743	19,743
Additional paid-in capital	139,615	136,629
Treasury stock, at cost, consisting of 1,030 and 250 shares of Class B common at December 31, 2019 and 2018, respectively	(7,675)	(1,624)
Accumulated other comprehensive income	2,519	2,591
Accumulated deficit	(59,671)	(53,939)
Total Genie Energy Ltd. stockholders' equity	94,805	103,671
Noncontrolling interests:
Noncontrolling interests	(13,875)	(11,009)
TOTAL EQUITY	80,930	92,662
TOTAL LIABILITIES AND EQUITY	156,244	146,864
Class A common stock
Genie Energy Ltd. stockholders' equity:
Common stock, value	16	16
Noncontrolling interests:
TOTAL EQUITY	16	16
Class B common stock
Genie Energy Ltd. stockholders' equity:
Common stock, value	258	255
Noncontrolling interests:
TOTAL EQUITY	$ 258	$ 255