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v3.22.4

Significant accounting policies - Narrative (Details) | 12 Months Ended
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Dec. 31, 2022 CAD ($) category | Dec. 31, 2021 CAD ($)
Concentration Risk [Line Items] |  |
Number of categories | category | 3 |
Daily and monthly payment terms (in days) | net 15 and net 60 days |
Accounts receivable – holdback percentage | 10.00% |
Goodwill impairment | $ 0 |
COVID-19 |  |
Concentration Risk [Line Items] |  |
Salary and wage subsidies | $ 0 | $ 13,244,000
Reduction of cost of sales |  | 12,489,000
Reduction in general and administrative costs |  | $ 755,000

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