Annual report pursuant to Section 13 and 15(d)

Equity (Details)

v3.22.2.2
Equity (Details)
 12 Months Ended
Sep. 30, 2022
voting_right
shares
Sep. 30, 2021
shares
Schedule Of Stockholders Equity [Line Items]    
Common stock shares subject to registration rights (in shares) 3,796,670  
Common stock shares previously registered but not yet sold (in shares) 37,248  
Class A common stock    
Schedule Of Stockholders Equity [Line Items]    
Voting rights for each share | voting_right 1  
Conversion rate 1  
Common stock, shares outstanding (in shares) 41,193,024 36,600,639
Class A common stock | Equity Incentive Plan | Restricted Stock    
Schedule Of Stockholders Equity [Line Items]    
Issuance of stock grant awards (in shares) 256,167  
Vesting of restricted stock, shares withheld for taxes 1,183  
Restricted stock, forfeitures by terminated employees 1,523  
Class B common stock    
Schedule Of Stockholders Equity [Line Items]    
Voting rights for each share | voting_right 10  
Initial public offering (in shares) 4,338,924  
Common stock, shares outstanding (in shares) 11,352,915 15,691,839