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LONG-TERM DEBT (Details) - USD ($) $ in Thousands |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Oct. 28, 2019 | Aug. 10, 2018 | Aug. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Sep. 30, 2019 | Sep. 30, 2018 | Aug. 10, 2021
LONG-TERM DEBT |  |  |  |  |  |  |  |  |
Payment of debt issuance costs |  |  |  |  |  |  |  | $ 908 |
Scheduled minimum interest payments |  |  |  |  |  |  |  |  |
2019 |  |  |  |  |  | $ 1,200 | $ 1,200 |  |
2020 |  |  |  |  |  | 4,700 | 4,700 |  |
2021 |  |  |  |  |  | 2,000 | 2,000 |  |
Affiliate of Robert McEwen |  |  |  |  |  |  |  |  |
LONG-TERM DEBT |  |  |  |  |  |  |  |  |
Debt interest expense |  |  |  |  |  | 600 | 1,800 | 400 |
Term Loan |  |  |  |  |  |  |  |  |
LONG-TERM DEBT |  |  |  |  |  |  |  |  |
Face amount |  | $ 50,000 |  |  |  |  |  |  |
Term of debt instrument |  | 3 years |  |  |  |  |  |  |
Interest Expense |  |  |  |  |  | $ 1,200 | 3,600 | $ 700 |
Interest costs capitalized |  |  |  |  |  |  | $ 600 |  |
Term Loan | Subsequent Event |  |  |  |  |  |  |  |  |
LONG-TERM DEBT |  |  |  |  |  |  |  |  |
Term of debt instrument | 3 years |  |  |  |  |  |  |  |
Term Loan | Subsequent Event | Minimum |  |  |  |  |  |  |  |  |
LONG-TERM DEBT |  |  |  |  |  |  |  |  |
Working capital covenant |  |  |  |  |  |  |  |  |
Term Loan | Gold Bar Complex |  |  |  |  |  |  |  |  |
LONG-TERM DEBT |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) |  | 9.75% |  |  |  |  |  |  |
Term over which monthly payments are made |  |  | 12 months |  |  |  |  |  |
Monthly payments |  |  | $ 2,000 |  |  |  |  |  |
Final payment |  |  |  |  |  |  |  |  | $ 26,000

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