Common Stock and Stock Compensation - Restricted Stock Award Activity (Details) - Restricted stock	9 Months Ended
	Jun. 30, 2024 $ / shares shares
Shares
Outstanding, beginning balance (in shares)	2,555,899
Granted (in shares)	1,442,461
Released (in shares)	(1,225,328)
Cancelled (in shares)	(63,211)
Outstanding, ending balance (in shares)	2,709,821
Weighted Average Grant Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 6.80
Granted (in dollars per share) | $ / shares	7.59
Released (in dollars per share) | $ / shares	5.25
Cancelled (in dollars per share) | $ / shares	7.32
Outstanding, ending balance (in dollars per share) | $ / shares	$ 7.91
Performance adjustment (in shares)	353,993
Number of shares withheld to satisfy related federal income tax withholding (in shares)	377,231