Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Share-based Compensation (Summary of Stock Options Outstanding and Exercisable) (Details) - Stock Option [Member] - USD ($)
6 Months Ended
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares Outstanding at Beginning of Period 8,599,000
Number of Shares Granted 3,051,600
Number of Shares Exercised (825,908)
Number of Shares Forfeited and expired (72,935)
Number of Shares Outstanding at End of Period 10,751,757
Number of Shares Exercisable at End of Period 5,214,736
Weighted Average Exercise Price Per Share, Outstanding at Beginning of Period $ 1.67
Weighted Average Exercise Price Per Share, Granted 5.27
Weighted Average Exercise Price Per Share, Exercised 1.54
Weighted Average Exercise Price Per Share, Forfeited and expired 1.77
Weighted Average Exercise Price Per Share, Outstanding at End of Period 2.70
Weighted Average Exercise Price Per Share, Exercisable at End of Period $ 1.62
Weighted Average Remaining Contractual Term, Outstanding at End of Period 8 years 2 months 9 days
Weighted Average Remaining Contractual Term, Exercisable at End of Period 7 years 3 months 29 days
Aggregate Intrinsic Value Outstanding at End of Period $ 89,289,061
Aggregate Intrinsic Value Exercisable at End of Period $ 47,723,441