Annual report pursuant to Section 13 and 15(d)

Share-based Compensation (Summary of Stock Options Outstanding and Exercisable) (Details)

v3.23.3
Share-based Compensation (Summary of Stock Options Outstanding and Exercisable) (Details) - Stock Option [Member]
 12 Months Ended
Sep. 30, 2023
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares Outstanding at Beginning of Period | shares 14,263,470
Number of Shares Granted | shares 4,934,955
Number of Shares Exercised | shares (191,832)
Number of Shares Forfeited | shares (1,638,950)
Number of Shares Outstanding at End of Period | shares 17,367,643
Number of Shares Exercisable at End of Period | shares 9,759,441
Weighted Average Exercise Price Per Share Outstanding at Beginning of Period | $ / shares $ 5.00
Weighted Average Exercise Price Per Share Granted | $ / shares 6.92
Weighted Average Exercise Price Per Share Exercised | $ / shares 2.03
Weighted Average Exercise Price Per Share Forfeited | $ / shares 8.19
Weighted Average Exercise Price Per Share Outstanding at End of Period | $ / shares 5.28
Weighted Average Exercise Price Per Share Exercisable at End of Period | $ / shares $ 3.54
Weighted Average Remaining Contractual Term (years) Outstanding at End of Period 7 years 1 month 6 days
Weighted Average Remaining Contractual Term (years) Exercisable at End of Period 5 years 9 months 3 days