Annual report pursuant to Section 13 and 15(d)

Summary of Operations and Significant Accounting Policies - Advertising Expense - Additional Information (Details)

v3.22.2.2
Summary of Operations and Significant Accounting Policies - Advertising Expense - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Advertising expense $ 0.4 $ 0.2 $ 0.3