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FAIR VALUE MEASUREMENTS (Details 1) - CleanSpark Warrants [Member] $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Balance at December 31, 2018 |
Issuance of warrants | 1,479
Change in fair value | (948)
Balance at December 31, 2019 | $ 531

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