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Summary of Significant Accounting Policies - Schedule of Estimated Useful Lives (Detail)
12 Months Ended
Mar. 31, 2021
Computer [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 3 years
Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 5 years
Furniture and Fixtures [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 7 years
Software [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives 3 years
Leasehold Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives Lesser of estimated useful life or remaining lease term