Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Summary Of Stock Options Outstanding And Exercisable) (Details)

v3.8.0.1
Share-Based Compensation (Summary Of Stock Options Outstanding And Exercisable) (Details) - Stock Option [Member]
6 Months Ended
Mar. 31, 2018
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares, Outstanding at September 30, 2017 | shares 2,830,805
Shares, Granted | shares 2,058,051
Shares, Forfeited | shares (349,221)
Shares, Outstanding March 31, 2018 | shares 4,539,635
Shares, Exercisable on March 31, 2018 | shares 510,417
Weighted Average Exercise Price Per Share, Outstanding at September 30, 2016 | $ / shares $ 1.27
Weighted Average Exercise Price Per Share, Granted | $ / shares 1.61
Weighted Average Exercise Price Per Share, Forfeited | $ / shares 1.19
Weighted Average Exercise Price Per Share, Outstanding at March 31, 2018 | $ / shares 1.42
Weighted Average Exercise Price Per Share, Exercisable on March 31, 2018 | $ / shares $ 1.60
Weighted Average Remaining Contractual Term, Outstanding at March 31, 2018 8 years 11 months 5 days
Weighted Average Remaining Contractual Term, Exercisable on March 31, 2018 3 years 10 months 28 days
Aggregate Intrinsic Value, Outstanding at March 31, 2018 | $ $ 2,266,873
Aggregate Intrinsic Value, Exercisable on March 31, 2018 | $ $ 298,617