Stock-Based Compensation (Tables)

3 Months Ended

Dec. 31, 2022

Share-Based Payment Arrangement [Abstract]

Summary of Awards Outstanding

The following table presents a summary of awards outstanding:

	As of December 31, 2022
	2004 Plan	2013 Plan	2021 Plan	Inducement Awards	Total
Granted and outstanding awards:
Options	175,083	1,685,543	3,000	762,150	2,625,776
Restricted stock units	—	2,305,761	918,795	739,625	3,964,181
Total	175,083	3,991,304	921,795	1,501,775	6,589,957

Summarized Information about Stock Options

The following table presents a summary of the stock option activity for the three months ended December 31, 2022:

	Shares	Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Outstanding at September 30, 2022	2,721,384	$	20.73
Granted	—	—
Cancelled or expired	(13,875)	45.57
Exercised	(81,733)	7.04
Outstanding at December 31, 2022	2,625,776	$	21.02	4.7	$	61,867,396
Exercisable at December 31, 2022	2,346,710	$	17.83	4.4	$	60,525,256

Summary of Share Activity Related to RSUs

The following table summarizes the activity of the Company’s RSUs:

	Number of RSUs	Weighted- Average Grant Date Fair Value Per Share
Outstanding at September 30, 2022	4,069,431	$	62.96
Granted	18,875	31.77
Vested	(98,250)	51.70
Forfeited	(25,875)	44.70
Outstanding at December 31, 2022	3,964,181	$	63.31