Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.4
Share-based Compensation (Weighted Average Assumptions for Options Granted) (Details) - Stock Option [Member] - $ / shares
3 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected volatility 65.81% 63.03%
Expected dividend yield 0.00% 0.00%
Risk-free interest rate 0.51% 1.67%
Expected term (in years) 5 years 10 months 24 days 5 years 10 months 24 days
Fair value of options granted $ 1.58 $ 1.11