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Subsequent Event - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Nov. 01, 2022
Sep. 30, 2022
Sep. 30, 2022
Subsequent Event [Line Items]      
Severance cost   $ (120,000) $ (120,000)
Subsequent Event [Member] | Ganeshan Venkateshwaran [Member]      
Subsequent Event [Line Items]      
Severance cost $ 700,000    
Supplemental unemployment benefits, severance benefits 550,000    
Payments for postemployment benefits $ 150,000