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SIGNIFICANT ACCOUNTING ISSUES - Risks and Uncertainties (Details) - USD ($) $ in Thousands |  |  |  |  | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 02, 2022 | Jan. 29, 2021 | Dec. 31, 2020 | Sep. 10, 2020 | Sep. 30, 2022 | Dec. 31, 2021 | Aug. 31, 2022 | Jun. 30, 2022 | Mar. 31, 2022
Long-term debt |  |  |  |  | $ 59,834 | $ 48,866 |  |  |
Secured Debt |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  | $ 50,000
Unsecured Debt |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  | $ 15,000
Los Azules Copper Project |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  | $ 28,900 | $ 15,000 |
Canadian Development Expenses | Los Azules Copper Project |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  | 40,000 |  |  |
Canadian Development Expenses | Equity Financing In February 2021 |  |  |  |  |  |  |  |  |
Gross proceeds |  |  |  |  |  | 31,500 |  |  |
Canadian Development Expenses | Flow Through Common Shares |  |  |  |  |  |  |  |  |
Gross proceeds |  | $ 12,700 |  |  |  | $ 12,700 |  |  |
Canadian Exploration Expenditures | Flow Through Common Shares |  |  |  |  |  |  |  |  |
Gross proceeds | $ 15,100 |  | $ 9,800 | $ 10,400 | $ 15,100 |  |  |  |

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