XML 102 R63.htm IDEA: XBRL DOCUMENT v3.21.1
Summary of accounting policies applied by the Group for the annual reporting period ending December 31, 2020 - Summary of estimated Useful Lives of Property, Plant and Equipment (Detail)
 12 Months Ended
Dec. 31, 2020
Bottom of range [member] | Computer equipment [member]  
Disclosure Of Property Plant And Equipment Estimated Useful Lives [Line Items]  
Useful life measured as period of time, property, plant and equipment 1 year
Bottom of range [member] | Laboratory equipment [Member]  
Disclosure Of Property Plant And Equipment Estimated Useful Lives [Line Items]  
Useful life measured as period of time, property, plant and equipment 1 year
Bottom of range [member] | Office equipment [member]  
Disclosure Of Property Plant And Equipment Estimated Useful Lives [Line Items]  
Useful life measured as period of time, property, plant and equipment 2 years
Top of range [member] | Computer equipment [member]  
Disclosure Of Property Plant And Equipment Estimated Useful Lives [Line Items]  
Useful life measured as period of time, property, plant and equipment 10 years
Top of range [member] | Laboratory equipment [Member]  
Disclosure Of Property Plant And Equipment Estimated Useful Lives [Line Items]  
Useful life measured as period of time, property, plant and equipment 15 years
Top of range [member] | Office equipment [member]  
Disclosure Of Property Plant And Equipment Estimated Useful Lives [Line Items]  
Useful life measured as period of time, property, plant and equipment 20 years