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INVENTORIES (Details) - CAD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
DisclosureOfInventoriesLineItems [Line Items] |  |  |
Current inventories | $ 3,015 | $ 3,352 | $ 3,584
Noncurrent inventories | 2,098 | 2,098 | 2,098
Total inventories | 5,113 | 5,450 | 5,682
Uranium Concentrates |  |  |
DisclosureOfInventoriesLineItems [Line Items] |  |  |
Total inventories | 0 | 526 | 526
Inventory of Ore in Stockpiles |  |  |
DisclosureOfInventoriesLineItems [Line Items] |  |  |
Total inventories | 2,098 | 2,098 | 2,098
Mine and Mill Supplies |  |  |
DisclosureOfInventoriesLineItems [Line Items] |  |  |
Total inventories | $ 3,015 | $ 2,826 | $ 3,058

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