Quarterly report pursuant to Section 13 or 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)
3 Months Ended 9 Months Ended
Jun. 30, 2020
USD ($)
$ / shares
shares
Jun. 30, 2020
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Shares Granted 0  
Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Shares Outstanding at Beginning of Period   7,027,989
Number of Shares Granted   2,228,827
Number of Shares Exercised   (441,548)
Number of Shares Forfeited and Expired   (195,434)
Number of Shares Outstanding at End of Period 8,619,834 8,619,834
Number of Shares Exercisable at End of Period 4,120,510 4,120,510
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 and Expired | $ / shares   1.55
Weighted Average Exercise Price Per Share, Outstanding at End of Period | $ / shares $ 1.68 1.68
Weighted Average Exercise Price Per Share, Exercisable at End of Period | $ / shares $ 1.53 $ 1.53
Weighted Average Remaining Contractual Term, Outstanding at End of Period   8 years 4 days
Weighted Average Remaining Contractual Term, Exercisable at End of Period   7 years 2 months 1 day
Aggregate Intrinsic Value, Outstanding at End of Period | $ $ 14,349,547 $ 14,349,547
Aggregate Intrinsic Value, Exercisable at End of Period | $ $ 7,453,274 $ 7,453,274