Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Accounts Receivable (Details)

v3.21.2
Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Sep. 30, 2020
Accounting Policies [Abstract]    
Accounts receivable $ 6,118 $ 4,384
Allowance for doubtful accounts (13) (37)
Accounts receivable, net $ 6,105 $ 4,347