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INVESTMENT IN JOINT VENTURE - Narrative (Details) - CAD ($) |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Aug. 03, 2021 | Nov. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Statement [Line Items] |  |  |  |  |
Repayment of term loan |  |  | $ 0 | $ 20,450,000 |
Transaction costs-investment in joint venture |  |  | 0 | (1,356,000) |
Issuance of Term loan and investment in joint venture |  |  | $ 0 | (40,950,000) |
100% JCU |  |  | 100.00% |  |
Incremental investment in JCU |  |  | $ 800,000 |  |
Cash and cash equivalents |  |  | $ 50,915,000 | $ 63,998,000 | $ 24,992,000
UEX Corporation |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Cash consideration | $ 20,500,000 |  |  |  |
Repayment of term loan | 20,450,000 |  |  |  |
Transaction costs-investment in joint venture | 1,356,000 |  |  |  |
Issuance of Term loan and investment in joint venture | 40,950,000 |  |  |  |
OURD |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Cash consideration | $ 41,000,000 |  |  |  |
JCU |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Acquisition percentage |  | 50.00% | 50.00% | 50.00% |
Incremental investment in JCU |  |  | $ 800,000 |  |
Cash and cash equivalents |  |  | $ 1,473,000 | $ 2,525,000 |
JCU | Wheeler River Joint Venture |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Acquisition percentage |  |  | 10.00% |  |
JCU | Millennium Project |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Acquisition percentage |  |  | 30.099% |  |
JCU | Cameco Corporation |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Acquisition percentage |  |  | 69.901% |  |
JCU | Kiggavik Project |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Acquisition percentage |  |  | 33.8118% |  |
JCU | Orano Canada Inc. |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Acquisition percentage |  |  | 66.1882% |  |
JCU | Christie Lake |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Acquisition percentage |  |  | 34.4508% |  |
JCU | UEX Corporation |  |  |  |  |
Statement [Line Items] |  |  |  |  |
Acquisition percentage |  |  | 65.5492% |  |

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