Annual report pursuant to Section 13 and 15(d)

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

v3.20.2
Share-based Compensation (Summary of Stock Options Outstanding and Exercisable) (Details) - Stock Option [Member]
12 Months Ended
Sep. 30, 2020
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares Outstanding at Beginning of Period | shares 7,027,989
Number of Shares Granted | shares 2,228,827
Number of Shares Exercised | shares (441,548)
Number of Shares Forfeited | shares (216,268)
Number of Shares Outstanding at End of Period | shares 8,599,000
Number of Shares Exercisable at End of Period | shares 4,565,615
Weighted Average Exercise Price Per Share, Outstanding at Beginning of Period | $ / shares $ 1.58
Weighted Average Exercise Price Per Share, Granted | $ / shares 1.97
Weighted Average Exercise Price Per Share, Exercised | $ / shares 1.67
Weighted Average Exercise Price Per Share, Forfeited | $ / shares 1.59
Weighted Average Exercise Price Per Share, Outstanding at End of Period | $ / shares 1.67
Weighted Average Exercise Price Per Share, Exercisable at End of Period | $ / shares $ 1.52
Weighted Average Remaining Contractual Term, Outstanding at End of Period 7 years 9 months 4 days
Weighted Average Remaining Contractual Term, Exercisable at End of Period 6 years 11 months 5 days
Aggregate Intrinsic Value Outstanding at End of Period | $ $ 8,174,898
Aggregate Intrinsic Value Exercisable at End of Period | $ $ 5,036,148