Annual report pursuant to Section 13 and 15(d)

Cash Flows - Additional Information (Details)

v3.22.2.2
Cash Flows - Additional Information (Details) - USD ($)
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Supplemental Cash Flow Elements [Abstract]      
Additions purchased at period end but not yet paid for in cash $ 200,000 $ 0 $ 80,000