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ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Tables) | 12 Months Ended
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Dec. 31, 2020
Trade and other payables [abstract] |
Schedule of accounts payable and accrued liabilities |
| December 31, 2020 | December 31, 2019
Trade payables | $ | 42,600 |  | $ | 33,579 |
Accrued liabilities | 46,791 |  | 38,464 |
Royalties payable | 36,019 |  | 3,528 |
Share-based compensation liabilities | 30,050 |  | 19,538 |
Derivative liabilities | 3,764 |  | — |
Income taxes payable | 9,452 |  | 12,767 |
Lease liabilities | 5,686 |  | 446 |
Other | 1,622 |  | 2,803 |
| $ | 175,984 |  | $ | 111,125 |

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