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Income Tax - Additional Information (Details) - CAD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Temporary tax differences between assets and liabilities |  |
Total unrecognized temporary differences | $ 82,116 | $ 81,788
Non-capital loss carryforwards subject to expiration | 52,576 | 36,903
Non-capital loss carryforwards that do not expire | 2,292 |
Capital loss carry-forward |  |
Temporary tax differences between assets and liabilities |  |
Total unrecognized temporary differences | 21,542 | 20,059
Capital loss carried forward indefinitely and can only be realized against future capital gains |  |
Temporary tax differences between assets and liabilities |  |
Total unrecognized temporary differences | $ 21,542 | $ 20,059

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