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Significant accounting policies - Schedule of estimated useful lives of assets (Details)
 12 Months Ended
Dec. 31, 2021
Computer equipment  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 30%
Method of amortized declining balance
Production equipment  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 20%
Method of amortized declining balance
Furniture and fixtures  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 20%
Method of amortized declining balance
Facility and related  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 20 years
Method of amortized straight-line
Land  
Disclosure of detailed information about property, plant and equipment [line items]  
Method of amortized Not amortized
Intellectual Property  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives for intangible assets 5 - 15 years