v3.22.2.2
Income Taxes - Summary of Company's Activity (Detail) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Income Tax Disclosure [Abstract]    
Beginning year balance $ 608 $ 608
Decrease related to prior year tax positions (255)
Increase related to current year tax positions 0 0
Settlements 0
Lapse of statutes of limitations 0
Ending year balance $ 353 $ 608