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CAPITAL MANAGEMENT AND FINANCIAL RISK - Net cash and investment position (Details) - CAD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
CAPITAL MANAGEMENT AND FINANCIAL RISK [Line item] |  |  |
Cash and cash equivalents (note 4) | $ 50,915 | $ 63,998 | $ 24,992
Investments | 170,645 | 147,692 | 16,950
Debt obligations-current | (216) | (179) |
Net cash and investments | 221,344 | 211,511 |
Equity Instruments |  |  |
CAPITAL MANAGEMENT AND FINANCIAL RISK [Line item] |  |  |
Investments | 8,109 | 14,578 | $ 16,950
Physical Uranium |  |  |
CAPITAL MANAGEMENT AND FINANCIAL RISK [Line item] |  |  |
Investments | $ 162,536 | $ 133,114 |

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