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DIVESTITURES (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 22, 2019	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2019	Dec. 31, 2018
Common stock, par value (in dollars per share)		$ 0.001		$ 0.001	$ 0.001
Gain on deconsolidation				$ 4,207
CleanSpark [Member]
Fair value of investment		$ 2,000		2,000
Unrealized gain (loss) on investment		$ (1,900)		$ (2,200)
CleanSpark [Member] | Warrant 1 [Member]
Warrant term	5 years
Number of shares called by warrant	500,000
Warrant exercise price	$ 1.60
CleanSpark [Member] | Warrant 2 [Member]
Warrant term	5 years
Number of shares called by warrant	500,000
Warrant exercise price	$ 2.00
CleanSpark [Member] | Common Stock [Member]
Common stock, par value (in dollars per share)	$ 0.001
Number of shares converted	1,750,000
PCPI [Member]
Common stock, par value (in dollars per share)	$ 0.01
Gain on deconsolidation			$ 4,200
Noncompete Agreement [Member] | CleanSpark [Member]
Non-compete agreement term	4 years
Contract Manufacturing Agreement [Member] | CleanSpark [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

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