CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2022	Sep. 30, 2021
Preferred Stock, par value (in USD per share)	$ 0.0001	$ 0.0001
Preferred Stock authorized (in shares)	10,000,000	10,000,000
Preferred Stock issued (in shares)	0	0
Preferred Stock outstanding (in shares)	0	0
Class A Common Stock
Common Stock, par value (in USD per share)	$ 0.0001	$ 0.0001
Common Stock authorized (in shares)	150,000,000	150,000,000
Common Stock issued (in shares)	22,252,640	22,026,098
Common Stock, outstanding (in shares)	22,252,640	22,026,098
Class B Common Stock
Common Stock, par value (in USD per share)	$ 0.0001	$ 0.0001
Common Stock authorized (in shares)	40,000,000	40,000,000
Common Stock issued (in shares)	10,118,142	10,229,142
Common Stock, outstanding (in shares)	10,118,142	10,229,142