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Significant accounting policies - Additional Information (other than goodwill) (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
IFRS Statement [Line Items]      
Consideration refundable period from the date of delivery, services upfront 30 days    
Revenue recognition, expected service period 5 years    
Threshold period for registering purchase for warranty Circle HealthPod 30 days    
Breakage revenue from unreturned kits $ 230,107 $ 347,894 $ 3,325,906
Bottom of range [member]      
IFRS Statement [Line Items]      
Consideration refundable period from the date of delivery, services upfront 5 days    
Sample return period 3 months    
Top of range [member]      
IFRS Statement [Line Items]      
Consideration refundable period from the date of delivery, services upfront 30 days    
Sample return period 6 months