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Business concentrations - Summary of Customers with Product Revenue (Details) - Customer Concentration Risk [Member] - Revenue [Member]
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Customer A [Member]    
Disclosure Of Customers With Product Revenue and Account Receivable For The Period [Line Items]    
Concentration Risk, Percentage   10.00%
Customer B [Member]    
Disclosure Of Customers With Product Revenue and Account Receivable For The Period [Line Items]    
Concentration Risk, Percentage 18.00% 16.00%
Customer C [Member]    
Disclosure Of Customers With Product Revenue and Account Receivable For The Period [Line Items]    
Concentration Risk, Percentage 17.00% 18.00%
Customer E [Member]    
Disclosure Of Customers With Product Revenue and Account Receivable For The Period [Line Items]    
Concentration Risk, Percentage   12.00%
Customer F [Member]    
Disclosure Of Customers With Product Revenue and Account Receivable For The Period [Line Items]    
Concentration Risk, Percentage 16.00%