Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.4
Share-based Compensation (Summary of Stock Options Outstanding and Exercisable) (Details) - Stock Option [Member]
3 Months Ended
Dec. 31, 2020
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares Outstanding at Beginning of Period | shares 8,599,000
Number of Shares Granted | shares 2,407,100
Number of Shares Exercised | shares (468,611)
Number of Shares Forfeited and expired | shares (62,535)
Number of Shares Outstanding at End of Period | shares 10,474,954
Number of Shares Exercisable at End of Period | shares 5,259,198
Weighted Average Exercise Price Per Share, Outstanding at Beginning of Period | $ / shares $ 1.67
Weighted Average Exercise Price Per Share, Granted | $ / shares 2.75
Weighted Average Exercise Price Per Share, Exercised | $ / shares 1.33
Weighted Average Exercise Price Per Share, Forfeited and expired | $ / shares 1.79
Weighted Average Exercise Price Per Share, Outstanding at End of Period | $ / shares 1.94
Weighted Average Exercise Price Per Share, Exercisable at End of Period | $ / shares $ 1.61
Weighted Average Remaining Contractual Term, Outstanding at End of Period 8 years 2 months 27 days
Weighted Average Remaining Contractual Term, Exercisable at End of Period 7 years 5 months 12 days
Aggregate Intrinsic Value Outstanding at End of Period | $ $ 70,324,759
Aggregate Intrinsic Value Exercisable at End of Period | $ $ 37,027,670