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SHARE CAPITAL AND RESERVES - The continuity of warrants (Details) | 12 Months Ended
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Dec. 31, 2021 EquityInstruments $ / shares | Dec. 31, 2020 EquityInstruments $ / shares | Dec. 31, 2019 EquityInstruments $ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Warrants outstanding at the beginning | 933,340 | 16,000,000 |
Warrants issued |  | 1,487,632 |
Warrants exercised | (883,854) | (16,554,292) |
Warrants outstanding at the end | 49,486 | 933,340 | 16,000,000
Weighted average exercise price, warrants outstanding at the beginning | $ / shares | $ 1.40 | $ 1.31 | $ 0.75
Weighted average exercise price, warrants issued | $ / shares |  | 1.31 |
Weighted average exercise price, warrants exercised | $ / shares | 1.31 | 0.77 |
Weighted average exercise price, warrants outstanding at the end | $ / shares | $ 1.40 | $ 1.31 | $ 0.75
Weighted average contractual remaining life | 4 months 17 days | 8 months 12 days | 2 years 11 months 1 day
Weighted average contractual remaining life, warrants issued |  | 1 year 25 days |
Weighted average fair value of warrants exercised | $ / shares | $ 0.55 | $ 0.15 |
Weighted average share price of warrants exercised | $ / shares | 8.18 | 1.41 |
Weighted average fair value of warrants issued | $ / shares | 0 | 0.55 |
Exercise price of $1.30 with August 11, 2021 expiry date |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Warrants, exercise Price | $ / shares | $ 1.30 | $ 1.30 |
Warrants outstanding at the beginning | 714,462 |  |
Warrants issued |  | 1,190,769 |
Warrants exercised | (714,462) | (476,307) |
Warrants outstanding at the end |  | 714,462 |
Exercise price of $1.30 with August 13, 2021 expiry date |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Warrants, exercise Price | $ / shares | $ 1.30 | $ 1.30 |
Warrants outstanding at the beginning | 113,399 |  |
Warrants issued |  | 188,999 |
Warrants exercised | (113,399) | (75,600) |
Warrants outstanding at the end |  | 113,399 |
Exercise price of $1.30 with May 12, 2022 expiry date |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Warrants, exercise Price | $ / shares | $ 1.30 | $ 1.30 |
Warrants outstanding at the beginning | 39,475 |  |
Warrants issued |  | 39,475 |
Warrants exercised | (14,321) |  |
Warrants outstanding at the end | 25,154 | 39,475 |
Exercise price of $1.50 with May 13, 2022 expiry date |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Warrants, exercise Price | $ / shares | $ 1.50 | $ 1.50 |
Warrants outstanding at the beginning | 36,052 |  |
Warrants issued |  | 36,052 |
Warrants exercised | (27,680) |  |
Warrants outstanding at the end | 8,372 | 36,052 |
Exercise price of $1.50 with June 4, 2022 expiry date |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Warrants, exercise Price | $ / shares | $ 1.50 | $ 1.50 |
Warrants outstanding at the beginning | 25,845 |  |
Warrants issued |  | 28,230 |
Warrants exercised | (9,885) | (2,385) |
Warrants outstanding at the end | 15,960 | 25,845 |
Exercise price of $1.30 with June 10, 2022 expiry date |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Warrants, exercise Price | $ / shares | $ 1.30 | $ 1.30 |
Warrants outstanding at the beginning | 4,107 |  |
Warrants issued |  | 4,107 |
Warrants exercised | (4,107) |  |
Warrants outstanding at the end |  | 4,107 |
Exercise price of $0.75 with November 29, 2022 expiry date |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Warrants, exercise Price | $ / shares |  | $ 0.75 |
Warrants outstanding at the beginning |  | 16,000,000 |
Warrants exercised |  | (16,000,000) |
Warrants outstanding at the end |  |  | 16,000,000

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