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Supplemental Information (Tables) | 12 Months Ended
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Dec. 31, 2021
Additional information [abstract] |
Changes in non-cash working capital items |
| Years Ended December 31
| 2021 |  | 2020 |
Trade and other receivables | $ | (65,932) |  | $ | 66,285 |
Trade and other payables | 34,737 |  | (51,499) |
| $ | (31,195) |  | $ | 14,786 |
Changes in non-cash working capital related to: |  |
Operating activities | $ | (26,582) |  | $ | 48,758 |
Investing activities | (2,797) |  | (32,031) |
Foreign currency translation on non-cash working capital | (1,816) |  | (1,941) |
| $ | (31,195) |  | $ | 14,786 |
Employee compensation costs | The following table details the amount of total employee compensation costs included in the operating expense and general and administrative expense.
| Years Ended December 31
| 2021 |  | 2020 |
Operating | $ | 11,053 |  | $ | 9,065 |
General and administrative | 29,538 |  | 22,802 |
Total employee compensation costs | $ | 40,591 |  | $ | 31,867 |

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