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SHARE-BASED COMPENSATION (Narrative) (Details) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 CAD ($) Share $ / shares | Dec. 31, 2019 CAD ($) Share $ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Share options granted | Share | 1,835,000 | 4,612,000
Share options granted, average exercise price | $ 0.85 | $ 0.75
Weighted average grant-date fair value | $ 0.46 | $ 0.41
Weighted average fair value at measurement date share options granted | $ | $ 899 | $ 1,696
Top of range [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Maximum allowable under the plan | 9.50% |
Directors, executives and employees [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Share options granted | Share | 1,835,000 | 4,611,500
Share options granted, average exercise price | $ 0.85 | $ 0.75
Total fair value of options granted | $ | $ 844 | $ 1,891
Weighted average grant-date fair value | $ 0.46 | $ 0.41
Independent directors [Member] | Top of range [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Maximum allowable under the plan for independent directors | 1.00% |
Options exercise period | 5 years |
Deferred Share Units [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Long-term financial liability | $ | $ 3,525 | $ 1,483
Number of units granted in share-based payment arrangement | Share | 572,000 | 682,000
Weighted average fair value at measurement date share awards granted per share | $ 0.72 | $ 0.78
Performance Share Units [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Number of units granted in share-based payment arrangement | Share | 825,000 | 875,000
Performance Share Units [Member] | Bottom of range [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Percentage of performance factor | 0.00% |
Performance Share Units [Member] | Top of range [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Percentage of performance factor | 250.00% |
Weighted average fair value at measurement date share awards granted per share | $ 0.59 | $ 1.33
Performance Share Units [Member] | Senior Executives [Member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Number of units granted in share-based payment arrangement | Share | 825,000 | 875,000

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