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DIVESTITURES (Details Narrative) $ / shares in Units, $ in Thousands			1 Months Ended	3 Months Ended	12 Months Ended
		Jan. 22, 2019 $ / shares shares	Dec. 31, 2019 USD ($) $ / shares	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) $ / shares	Dec. 31, 2018 $ / shares
Common stock, par value (in dollars per share)			$ 0.001		$ 0.001	$ 0.001
Gain on deconsolidation | $					$ 4,207
PCPI [Member]
Common stock, par value (in dollars per share)		$ 0.01
Gain on deconsolidation | $				$ 4,200
Noncompete Agreement [Member]
Non-compete agreement term	[1]					4 years
CleanSpark [Member]
Common stock, par value (in dollars per share)			$ 0.001		$ 0.001
Stock split ratio					10
Fair value of investment | $			$ 1,400		$ 1,400
Unrealized gain (loss) on investment | $					$ (2,800)
CleanSpark [Member] | Contract Manufacturing Agreement [Member]
Manufacturing agreement, target percentage of customer price		91.00%
Manufacturing agreement, maximum percentage of Company's cost		109.00%
Manufacturing agreement term		18 months
CleanSpark [Member] | Common Stock [Member]
Common stock, par value (in dollars per share)		$ 0.001
Number of shares converted | shares		175,000
Stock split ratio			10
CleanSpark [Member] | Noncompete Agreement [Member]
Non-compete agreement term		4 years
CleanSpark [Member] | Warrant 1 [Member]
Warrant term		5 years
Number of shares called by warrant | shares		50,000
Warrant exercise price		$ 16.00
CleanSpark [Member] | Warrant 2 [Member]
Warrant term		5 years
Number of shares called by warrant | shares		50,000
Warrant exercise price		$ 20.00
[1] During 2018, the Company recorded impairment charges to customer relationships, non-compete agreements and technology-related industry accreditations intangible assets of the switchgear business upon determining that the carrying value of these assets was not recoverable.

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