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Commitments and Contingencies - Additional Information (Detail) - New Operating Sublease [Member] - USD ($)
8 Months Ended
Sep. 30, 2021
Feb. 01, 2021
Other Commitments [Line Items]    
Operating sublease monthly rent minimum $ 12,719  
Operating sublease minimum rent obligation over the remaining term $ 293,000  
Term of operating sublease   31 months