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INCOME TAXES - Deferred income tax assets (liabilities) rollforward (Details) - CAD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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INCOME TAXES |  |
Deferred income tax assets-gross | $ 65,306 | $ 47,321
Set-off against deferred income tax liabilities | (65,306) | (47,321)
Deferred income tax assets-per balance sheet | 0 | 0
Deferred income tax liabilities: |  |
Deferred income tax liabilities-gross | (67,913) | (52,271)
Set-off of deferred income tax assets | 65,306 | 47,321
Deferred income tax liabilities-per balance sheet | (2,607) | (4,950)
Other. |  |
INCOME TAXES |  |
Deferred income tax assets-gross | 9,348 | 8,077
Deferred income tax liabilities: |  |
Deferred income tax liabilities-gross | (1,266) | (1,272)
Non-capital tax loss carry forwards |  |
INCOME TAXES |  |
Deferred income tax assets-gross | 18,489 | 20,070
Investments equity instruments and uranium |  |
Deferred income tax liabilities: |  |
Deferred income tax liabilities-gross | (25,088) | (9,483)
Capital loss carry forward |  |
INCOME TAXES |  |
Deferred income tax assets-gross | 25,088 | 9,483
Inventory |  |
Deferred income tax liabilities: |  |
Deferred income tax liabilities-gross | (852) | (759)
Reclamation obligations |  |
INCOME TAXES |  |
Deferred income tax assets-gross | 11,699 | 8,990
Post-employment benefits |  |
INCOME TAXES |  |
Deferred income tax assets-gross | 295 | 314
Property, plant and equipment, net |  |
INCOME TAXES |  |
Deferred income tax assets-gross | 387 | 387
Deferred income tax liabilities: |  |
Deferred income tax liabilities-gross | $ (40,707) | $ (40,757)

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