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FAIR VALUE ACCOUNTING (Details) $ / shares in Units, $ in Thousands | Dec. 31, 2021 USD ($) $ / shares shares | Jun. 23, 2021 $ / shares
--- | --- | ---
Disposal Group | Projects in Nevada |  |
Assets: |  |
Price per common share for each warrant | $ / shares |  | $ 0.60
Fair Value, Measurements, Recurring [Member] |  |
Assets: |  |
Investments | $ 1,644 |
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets: |  |
Investments | 1,644 |
Marketable equity securities. | Fair Value, Measurements, Recurring [Member] |  |
Assets: |  |
Investments | 1,644 |
Marketable equity securities. | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets: |  |
Investments | $ 1,644 |
Warrant | Disposal Group | Projects in Nevada |  |
Assets: |  |
Price per common share for each warrant | $ / shares | $ 0.60 |
Warrants exercised | shares | 0 |
Warrant | Volatility | Disposal Group | Projects in Nevada |  |
Assets: |  |
Average volatility | 94.6 |

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