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v3.23.2

Stock-Based Compensation - Summary of Granted and Outstanding Shares (Details) - shares | Jun. 30, 2023 | Sep. 30, 2022
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Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Number of options outstanding (in shares) | 2,365,798 | 2,721,384
Total (in shares) | 6,687,864 |
Restricted Stock Units (RSUs) |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Share-based payment award (in shares) | 4,322,066 | 4,069,431
2004 Equity Incentive Plan |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Number of options outstanding (in shares) | 68,555 |
Total (in shares) | 68,555 |
2004 Equity Incentive Plan | Restricted Stock Units (RSUs) |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Share-based payment award (in shares) | 0 |
2013 Incentive Plan |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Number of options outstanding (in shares) | 1,550,951 |
Total (in shares) | 3,440,076 |
2013 Incentive Plan | Restricted Stock Units (RSUs) |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Share-based payment award (in shares) | 1,889,125 |
2021 Incentive Plan |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Number of options outstanding (in shares) | 33,838 |
Total (in shares) | 1,720,604 |
2021 Incentive Plan | Restricted Stock Units (RSUs) |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Share-based payment award (in shares) | 1,686,766 |
Inducement Awards |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Number of options outstanding (in shares) | 712,454 |
Total (in shares) | 1,458,629 |
Inducement Awards | Restricted Stock Units (RSUs) |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Share-based payment award (in shares) | 746,175 |

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