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Significant accounting policies - Summary of methods of depreciation (Detail)
12 Months Ended
Nov. 30, 2023
Computer equipment  
Disclosure of detailed information about property, plant and equipment [line items]  
Depreciation method, property, plant and equipment Declining balance
Depreciation rate, property, plant and equipment 50.00%
Laboratory equipment  
Disclosure of detailed information about property, plant and equipment [line items]  
Depreciation method, property, plant and equipment Declining balance and straight-line
Depreciation rate, property, plant and equipment 20.00%
Useful life measured as period of time, property, plant and equipment 5 years
Office furniture and equipment  
Disclosure of detailed information about property, plant and equipment [line items]  
Depreciation method, property, plant and equipment Declining balance
Depreciation rate, property, plant and equipment 20.00%
Leasehold improvements  
Disclosure of detailed information about property, plant and equipment [line items]  
Depreciation method, property, plant and equipment Straight-line
Description of useful life, property, plant and equipment Lower of lease term and economic life