Registration statement for securities of certain foreign private issuers

Employee benefits expense - Summary of Average Staff Numbers (Detail)

v3.21.2
Employee benefits expense - Summary of Average Staff Numbers (Detail) - Director
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Statement [Line Items]    
Average number of employees 2,108 1,556
Engineers [Member]    
Statement [Line Items]    
Average number of employees 515 670
Sales Marketing [Member]    
Statement [Line Items]    
Average number of employees 88 108
Finance, HR Legal [Member]    
Statement [Line Items]    
Average number of employees 146 178
Clinical Operations [Member]    
Statement [Line Items]    
Average number of employees 586 476
Clinicians [Member]    
Statement [Line Items]    
Average number of employees 773 124