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DIVESTITURES (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended			6 Months Ended		12 Months Ended
	Jan. 22, 2019	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Common stock, par value (in dollars per share)		$ 0.001			$ 0.001		$ 0.001
Gain on deconsolidation						$ 4,207
CleanSpark [Member]
Common stock, par value (in dollars per share)		$ 0.001			$ 0.001
Fair value of investment		$ 708			$ 708
Unrealized gain (loss) on investment		$ 384	$ (3,700)		$ (759)	$ (325)
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] | Warrant 1 [Member]
Warrant term		5 years			5 years
Number of shares called by warrant		50,000			50,000
Warrant exercise price		$ 16.00			$ 16.00
CleanSpark [Member] | Warrant 2 [Member]
Warrant term		5 years			5 years
Number of shares called by warrant		50,000			50,000
Warrant exercise price		$ 20.00			$ 20.00
CleanSpark [Member] | Common Stock [Member]
Common stock, par value (in dollars per share)		0.001			$ 0.001
Number of shares converted					175,000
Reverse stock split							10:1 reverse stock split
PCPI [Member]
Common stock, par value (in dollars per share)		$ 0.01			$ 0.01
Gain on deconsolidation				$ 4,200

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Face amount or stated value per share of common stock.

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The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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