SEGMENT, CUSTOMERS AND GEOGRAPHICAL INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Revenues	$ 5,731		$ 13,245	$ 6,670
Revenue cryptocurrency mining	590		1,546
Revenue, related party	353		3,912
Revenue, restaurant operations	1,585		2,087
Revenue, lending activities	85		194
Inter-segment revenues
Total Revenues by Major Customer	8,344	$ 3,220	20,984	6,670
Depreciation and amortization expense	884	48	1,642	128
Loss from operations	(4,189)	(1,318)	(11,256)	(3,549)
Capital expenditures for segment assets	360		9,318	22
Identifiable assets	53,104	13,981	53,104	13,981	$ 30,510
Operating Segments [Member] | DPC [Member]
Revenues	2,974	2,877	8,532	5,206
Revenue cryptocurrency mining
Revenue, related party	353		3,912
Revenue, restaurant operations
Revenue, lending activities	85		194
Inter-segment revenues	25	6	30	43
Total Revenues by Major Customer	3,437	2,883	12,668	5,249
Depreciation and amortization expense	40	32	127	75
Loss from operations	(792)	(1,137)	(1,862)	(3,277)
Capital expenditures for segment assets	5		349	8
Identifiable assets	30,113	12,315	30,113	12,315
Operating Segments [Member] | DPL [Member]
Revenues	601	343	1,339	1,464
Revenue cryptocurrency mining
Revenue, related party
Revenue, restaurant operations
Revenue, lending activities
Inter-segment revenues
Total Revenues by Major Customer	601	343	1,339	1,464
Depreciation and amortization expense	13	16	44	53
Loss from operations	(47)	(181)	(498)	(272)
Other income, net
Capital expenditures for segment assets			1	13
Identifiable assets	1,517	1,666	1,517	1,666
Operating Segments [Member] | Enertec [Member]
Revenues	2,156		3,374
Revenue cryptocurrency mining
Revenue, related party
Revenue, restaurant operations
Revenue, lending activities
Inter-segment revenues
Total Revenues by Major Customer	2,156		3,374
Depreciation and amortization expense	28		37
Loss from operations	(99)		47
Capital expenditures for segment assets	7		38
Identifiable assets	11,025		11,025
Operating Segments [Member] | SC Mining [Member]
Revenues
Revenue cryptocurrency mining	590		1,546
Revenue, related party
Revenue, restaurant operations
Revenue, lending activities
Inter-segment revenues
Total Revenues by Major Customer	590		1,546
Depreciation and amortization expense	803		1,434
Loss from operations	(1,170)		(3,020)
Capital expenditures for segment assets	242		9,051
Identifiable assets	8,245		8,245
Operating Segments [Member] | I. AM, Inc. [Member]
Revenues
Revenue cryptocurrency mining
Revenue, related party
Revenue, restaurant operations	1,585		2,087
Revenue, lending activities
Inter-segment revenues
Total Revenues by Major Customer	502		2,087
Depreciation and amortization expense
Loss from operations	(4)		(5)
Capital expenditures for segment assets	106		129
Identifiable assets	2,204		2,204
Intersegment Eliminations [Member]
Revenues
Revenue cryptocurrency mining
Revenue, related party
Revenue, restaurant operations
Revenue, lending activities
Inter-segment revenues	(25)	(6)	(30)	(43)
Total Revenues by Major Customer	(25)	(6)	(30)	(43)
Depreciation and amortization expense
Loss from operations
Capital expenditures for segment assets
Identifiable assets