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CAPITAL STOCK - Disclosure of detailed information about range of exercise prices of outstanding share options (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 Share $ / shares | Dec. 31, 2020 Share | Dec. 31, 2019 Share
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 7,108,500 | 6,382,400 | 6,714,700
Number of share options exercisable in share-based payment arrangement | 7,098,500 |  |
Granted August 28, 2017 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 1,045,000 |  |
Number of share options exercisable in share-based payment arrangement | 1,045,000 |  |
Exercise price of outstanding share options | $ / shares | $ 1.20 |  |
Expiry Date | August 28, 2022 |  |
Granted July 10, 2018 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 1,289,000 |  |
Number of share options exercisable in share-based payment arrangement | 1,289,000 |  |
Exercise price of outstanding share options | $ / shares | $ 1.30 |  |
Expiry Date | July 10, 2023 |  |
Granted November 28, 2018 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 10,000 |  |
Number of share options exercisable in share-based payment arrangement | 10,000 |  |
Exercise price of outstanding share options | $ / shares | $ 1.57 |  |
Expiry Date | November 28, 2023 |  |
Granted December 14,2018 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 20,000 |  |
Number of share options exercisable in share-based payment arrangement | 20,000 |  |
Exercise price of outstanding share options | $ / shares | $ 1.42 |  |
Expiry Date | December 14, 2023 |  |
Granted June 6, 2019 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 1,375,000 |  |
Number of share options exercisable in share-based payment arrangement | 1,375,000 |  |
Exercise price of outstanding share options | $ / shares | $ 1.70 |  |
Expiry Date | June 6, 2024 |  |
Granted November 18, 2019 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 30,000 |  |
Number of share options exercisable in share-based payment arrangement | 30,000 |  |
Exercise price of outstanding share options | $ / shares | $ 1.80 |  |
Expiry Date | November 18, 2024 |  |
Granted January 21, 2020 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 60,000 |  |
Number of share options exercisable in share-based payment arrangement | 60,000 |  |
Exercise price of outstanding share options | $ / shares | $ 2.22 |  |
Expiry Date | January 21, 2025 |  |
Granted April 22, 2020 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 20,000 |  |
Number of share options exercisable in share-based payment arrangement | 20,000 |  |
Exercise price of outstanding share options | $ / shares | $ 2.50 |  |
Expiry Date | April 22, 2025 |  |
Granted June 10, 2020 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 1,444,000 |  |
Number of share options exercisable in share-based payment arrangement | 1,444,000 |  |
Exercise price of outstanding share options | $ / shares | $ 2.62 |  |
Expiry Date | June 10, 2025 |  |
Granted October 5, 2020 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 29,000 |  |
Number of share options exercisable in share-based payment arrangement | 29,000 |  |
Exercise price of outstanding share options | $ / shares | $ 3.50 |  |
Expiry Date | October 5, 2025 |  |
Granted May 6, 2021 [Member} |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 1,241,500 |  |
Number of share options exercisable in share-based payment arrangement | 1,231,500 |  |
Exercise price of outstanding share options | $ / shares | $ 4.11 |  |
Expiry Date | May 6, 2026 |  |
Granted May 12, 2021 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 15,000 |  |
Number of share options exercisable in share-based payment arrangement | 15,000 |  |
Exercise price of outstanding share options | $ / shares | $ 4.28 |  |
Expiry Date | May 12, 2026 |  |
Granted June 21, 2021 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 20,000 |  |
Number of share options exercisable in share-based payment arrangement | 20,000 |  |
Exercise price of outstanding share options | $ / shares | $ 3.67 |  |
Expiry Date | June 21, 2026 |  |
Granted August 19, 2021 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 500,000 |  |
Number of share options exercisable in share-based payment arrangement | 500,000 |  |
Exercise price of outstanding share options | $ / shares | $ 3.66 |  |
Expiry Date | August 19, 2026 |  |
Granted September 8, 2021 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | 10,000 |  |
Number of share options exercisable in share-based payment arrangement | 10,000 |  |
Exercise price of outstanding share options | $ / shares | $ 3.51 |  |
Expiry Date | September 8, 2026 |  |

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