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Supplemental Cash Flow Information (Details) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure Of Supplemental Cash Flow Information [Abstract] |  |  |
Accounts receivable | $ (5) | $ (47) | $ 505
Prepaid expenses and deposits | (59) | (94) | 260
Accounts payable and accrued liabilities | (120) | (762) | (499)
Changes in non-cash working capital | $ (184) | $ (903) | $ 266

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