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INVENTORIES (Details) - CAD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
DisclosureOfInventoriesLineItems [Line Items] |  |  |
Current inventories | $ 3,352 | $ 3,584 | $ 3,454
Noncurrent inventories | 2,098 | 2,098 | 2,098
Total inventories | 5,450 | 5,682 | 5,552
Uranium concentrates |  |  |
DisclosureOfInventoriesLineItems [Line Items] |  |  |
Total inventories | 526 | 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 | $ 2,826 | $ 3,058 | $ 2,928

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