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OTHER EXPENSE (INCOME) (Details Narrative) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Other expense (income) | $ 13 |  | $ (1,735) | $ (1,294) | $ (904)
PPP Loan [Member] |  |  |  |  |
Gain on extinguishment of debt |  | $ 1,400 |  | $ 1,400 |
CleanSpark [Member] | Common Stock [Member] |  |  |  |  |
Net gain |  |  | $ 1,700 |  | $ 968

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