Quarterly report pursuant to Section 13 or 15(d)

Share-based Compensation (Weighted Average Assumptions for Options Granted) (Details)

v3.21.2
Share-based Compensation (Weighted Average Assumptions for Options Granted) (Details) - Stock Option [Member] - $ / shares
3 Months Ended 9 Months Ended
Jun. 30, 2021
Jun. 30, 2021
Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected volatility 78.53% 68.88% 63.13%
Expected dividend yield 0.00% 0.00% 0.00%
Risk-free interest rate 1.10% 0.64% 1.63%
Expected term (in years) 6 years 5 years 10 months 24 days 5 years 10 months 24 days
Fair value of options granted $ 5.98 $ 3.46 $ 1.14