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EXPLORATION AND EVALUATION ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2023
Text block [abstract] |
Summary of Capitalized Costs on Projects |
|  | Rook I |  |  | Other Athabasca Basin Properties |  |  | IsoEnergy Properties |  |  | Total |
Acquisition Cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2022 |  | $ | 235 |  |  | $ | 1,458 |  |  | $ | 26,628 |  |  | $ | 28,321 |
Additions |  |  | - |  |  |  | 1 |  |  |  | 4 |  |  |  | 5 |
Disposals due to deconsolidation of IsoEnergy |  |  | - |  |  |  | - |  |  |  | (26,632) |  |  |  | (26,632) |
Balance as at December 31, 2023 |  | $ | 235 |  |  | $ | 1,459 |  |  | $ | - |  |  | $ | 1,694 |
Deferred exploration costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2022 |  |  | 329,012 |  |  |  | 9,603 |  |  |  | 38,312 |  |  |  | 376,927 |
Additions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General exploration and drilling |  |  | 6,488 |  |  |  | 7,574 |  |  |  | 5,514 |  |  |  | 19,576 |
Environmental, permitting, and engagement |  |  | 17,583 |  |  |  | - |  |  |  | - |  |  |  | 17,583 |
Technical, engineering and design |  |  | 59,863 |  |  |  | - |  |  |  | 54 |  |  |  | 59,917 |
Geochemistry and assays |  |  | - |  |  |  | - |  |  |  | 143 |  |  |  | 143 |
Geological and geophysical |  |  | 323 |  |  |  | 2,978 |  |  |  | 2,732 |  |  |  | 6,033 |
Labour and wages |  |  | 14,796 |  |  |  | 1,109 |  |  |  | 1,048 |  |  |  | 16,953 |
Share-based payments (Note 12) |  |  | 5,605 |  |  |  | - |  |  |  | 1,262 |  |  |  | 6,867 |
Travel |  |  | 954 |  |  |  | - |  |  |  | 303 |  |  |  | 1,257 |
Total Additions |  |  | 105,612 |  |  |  | 11,661 |  |  |  | 11,056 |  |  |  | 128,329 |
Disposals due to deconsolidation of IsoEnergy |  |  | (6,226) |  |  |  | - |  |  |  | (49,368) |  |  |  | (55,594) |
Balance as at December 31, 2023 |  | $ | 428,398 |  |  | $ | 21,264 |  |  | $ | - |  |  | $ | 449,662 |
Total costs, December 31, 2023 |  | $ | 428,633 |  |  | $ | 22,723 |  |  | $ | - |  |  | $ | 451,356 |
|  | Rook I |  |  | Other Athabasca Basin Properties |  |  | IsoEnergy Properties |  |  | Total |
Acquisition cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2021 |  | $ | 235 |  |  | $ | 1,458 |  |  | $ | 26,660 |  |  | $ | 28,353 |
Additions |  |  | - |  |  |  | - |  |  |  | 10 |  |  |  | 10 |
Dispositions |  |  | - |  |  |  | - |  |  |  | (42) |  |  |  | (42) |
Balance as at December 31, 2022 |  | $ | 235 |  |  | $ | 1,458 |  |  | $ | 26,628 |  |  | $ | 28,321 |
Deferred exploration costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at December 31, 2021 |  | $ | 260,941 |  |  | $ | 9,180 |  |  | $ | 28,069 |  |  | $ | 298,190 |
Additions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General exploration and drilling |  |  | 7,705 |  |  |  | - |  |  |  | 5,613 |  |  |  | 13,318 |
Environmental, permitting, and engagement |  |  | 12,005 |  |  |  | - |  |  |  | - |  |  |  | 12,005 |
Technical, engineering and design |  |  | 32,703 |  |  |  | - |  |  |  | - |  |  |  | 32,703 |
Geochemistry and assays |  |  | - |  |  |  | - |  |  |  | 190 |  |  |  | 190 |
Geological and geophysical |  |  | 1,941 |  |  |  | 423 |  |  |  | 1,593 |  |  |  | 3,957 |
Labour and wages |  |  | 8,818 |  |  |  | - |  |  |  | 837 |  |  |  | 9,655 |
Share-based payments (Note 12) |  |  | 4,532 |  |  |  | - |  |  |  | 1,832 |  |  |  | 6,364 |
Travel |  |  | 367 |  |  |  | - |  |  |  | 178 |  |  |  | 545 |
Total Additions |  |  | 68,071 |  |  |  | 423 |  |  |  | 10,243 |  |  |  | 78,737 |
Balance as at December 31, 2022 |  | $ | 329,012 |  |  | $ | 9,603 |  |  | $ | 38,312 |  |  | $ | 376,927 |
Total costs, December 31, 2022 |  | $ | 329,247 |  |  | $ | 11,061 |  |  | $ | 64,940 |  |  | $ | 405,248 |

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