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Supplemental Balance Sheet Information - Components of Inventories (Detail) - USD ($)
$ in Thousands
Jun. 30, 2022
Sep. 30, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 6,252 $ 4,165
Work-in process 1,943 1,295
Finished products 2,731 1,300
Total $ 10,926 $ 6,760