Quarterly report pursuant to Section 13 or 15(d)

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

v3.24.1
Share-based Compensation (Summary of Stock Options Outstanding and Exercisable) (Details) - Stock Option [Member]
 3 Months Ended
Dec. 31, 2023
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares Outstanding at Beginning of Period | shares 17,367,643
Number of Shares Granted | shares 300,000
Number of Shares Forfeited and expired | shares (511,672)
Number of Shares Outstanding at End of Period | shares 17,155,971
Number of Shares Exercisable at End of Period | shares 11,707,344
Weighted Average Exercise Price Per Share Outstanding at Beginning of Period | $ / shares $ 5.28
Weighted Average Exercise Price Per Share Granted | $ / shares 0.73
Weighted Average Exercise Price Per Share, Forfeited and expired | $ / shares 8.96
Weighted Average Exercise Price Per Share Outstanding at End of Period | $ / shares 5.09
Weighted Average Exercise Price Per Share Exercisable at End of Period | $ / shares $ 4.25
Weighted Average Remaining Contractual Term (years) Outstanding at End of Period 6 years 8 months 19 days
Weighted Average Remaining Contractual Term (years) Exercisable at End of Period 5 years 9 months 10 days