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SEGMENTED INFORMATION (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of operating segments [line items] |  |
Revenues | $ 14,423 | $ 15,549
Expenses: |  |
Operating expenses | (10,594) | (14,436)
Exploration and evaluation | (9,032) | (15,238)
General and administrative | (7,609) | (7,811)
Impairment reversal (expense) | 0 | 0
Total expenses | (27,235) | (37,485)
Segment income (loss) | (12,812) | (21,936)
Revenues - supplemental: |  |
Uranium concentrate sales | 852 | 0
Environmental services | 8,205 | 8,974
Management fees | 2,604 | 1,966
Toll milling services | 0 | 0
Toll milling services - deferred revenue (note 11) | 2,762 | 4,609
Revenues | 14,423 | 15,549
Capital additions: |  |
Property, plant and equipment | 304 | 948
Long-lived assets: |  |
Plant and equipment - Cost | 106,978 | 105,493
Plant and equipment - Accumulated depreciation | (29,851) | (27,715)
Mineral properties | 179,743 | 179,481
Property, plant and equipment | 256,870 | 257,259
Mining |  |
Disclosure of operating segments [line items] |  |
Revenues | 3,614 | 4,609
Expenses: |  |
Operating expenses | (3,742) | (6,090)
Exploration and evaluation | (9,032) | (15,238)
General and administrative | (19) | (17)
Impairment reversal (expense) | 0 | 0
Total expenses | (12,793) | (21,345)
Segment income (loss) | (9,179) | (16,736)
Revenues - supplemental: |  |
Uranium concentrate sales | 852 | 0
Environmental services | 0 | 0
Management fees | 0 | 0
Toll milling services | 0 | 0
Toll milling services - deferred revenue (note 11) | 2,762 | 4,609
Revenues | 3,614 | 4,609
Capital additions: |  |
Property, plant and equipment | 289 | 637
Long-lived assets: |  |
Plant and equipment - Cost | 101,540 | 99,994
Plant and equipment - Accumulated depreciation | (26,241) | (24,349)
Mineral properties | 179,743 | 179,481
Property, plant and equipment | 255,042 | 255,126
Closed Mines Group |  |
Disclosure of operating segments [line items] |  |
Revenues | 8,205 | 8,974
Expenses: |  |
Operating expenses | (6,849) | (8,346)
Exploration and evaluation | 0 | 0
General and administrative | 0 | 0
Impairment reversal (expense) | 0 | 0
Total expenses | (6,849) | (8,346)
Segment income (loss) | 1,356 | 628
Revenues - supplemental: |  |
Uranium concentrate sales | 0 | 0
Environmental services | 8,205 | 8,974
Management fees | 0 | 0
Toll milling services | 0 | 0
Toll milling services - deferred revenue (note 11) | 0 | 0
Revenues | 8,205 | 8,974
Capital additions: |  |
Property, plant and equipment | 15 | 273
Long-lived assets: |  |
Plant and equipment - Cost | 4,546 | 4,591
Plant and equipment - Accumulated depreciation | (3,194) | (3,062)
Mineral properties | 0 | 0
Property, plant and equipment | 1,352 | 1,529
Corporate and Other |  |
Disclosure of operating segments [line items] |  |
Revenues | 2,604 | 1,966
Expenses: |  |
Operating expenses | (3) | 0
Exploration and evaluation | 0 | 0
General and administrative | (7,590) | (7,794)
Impairment reversal (expense) | 0 | 0
Total expenses | (7,593) | (7,794)
Segment income (loss) | (4,989) | (5,828)
Revenues - supplemental: |  |
Uranium concentrate sales | 0 | 0
Environmental services | 0 | 0
Management fees | 2,604 | 1,966
Toll milling services | 0 | 0
Toll milling services - deferred revenue (note 11) | 0 | 0
Revenues | 2,604 | 1,966
Capital additions: |  |
Property, plant and equipment | 0 | 38
Long-lived assets: |  |
Plant and equipment - Cost | 892 | 908
Plant and equipment - Accumulated depreciation | (416) | (304)
Mineral properties | 0 | 0
Property, plant and equipment | $ 476 | $ 604

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