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FAIR VALUE ACCOUNTING (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Assets: |  |
Long term debt | $ 47,800 | $ 49,500
Gold Bar mine |  |
Assets: |  |
Impairment of long-lived assets | $ 83,800 |
Marketable equity securities. | Recurring |  |
Assets: |  |
Investments |  | 1,885
Marketable equity securities. | Recurring | Level 1 |  |
Assets: |  |
Investments |  | $ 1,885

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