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Intangible Asset - Additional Information (Detail)
£ in Millions, $ in Millions
1 Months Ended
Jun. 30, 2022
Mar. 31, 2021
USD ($)
Mar. 31, 2021
GBP (£)
Finite-Lived Intangible Assets [Line Items]      
Intangible asset estimated weighted- average remaining life 8 years 9 months 18 days    
Food and Drug Administration      
Finite-Lived Intangible Assets [Line Items]      
Milestone payment achieved | £     £ 7.5
Increase in intangible assets | $   $ 12.0