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Commitments and Contingencies (Details 3) - $ / shares | 6 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Sep. 30, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Weighted average remaining contractual life (in years) | 6 years 3 months 14 days | 6 years 9 months 14 days
Equity Option [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Number of outstanding options | 11,350,319 |
Number of vested options | 8,201,651 |
Equity Option [Member] | Option Price 1 [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Range of exercise prices, lower range limit | $ 0.92 |
Range of exercise prices, upper range limit | $ 2.96 |
Number of outstanding options | 4,108,765 |
Weighted average remaining contractual life (in years) | 5 years 8 months 1 day |
Weighted average exercise price | $ 2.29 |
Number of vested options | 4,059,181 |
Weighted average exercise price | $ 2.29 |
Equity Option [Member] | Option Price 2 [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Range of exercise prices, lower range limit | 3.15 |
Range of exercise prices, upper range limit | $ 4.80 |
Number of outstanding options | 2,097,500 |
Weighted average remaining contractual life (in years) | 5 years 10 months 6 days |
Weighted average exercise price | $ 3.30 |
Number of vested options | 1,822,500 |
Weighted average exercise price | $ 3.30 |
Equity Option [Member] | Option Price 3 [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Range of exercise prices, lower range limit | 5.04 |
Range of exercise prices, upper range limit | $ 8.98 |
Number of outstanding options | 3,347,054 |
Weighted average remaining contractual life (in years) | 5 years 10 months 28 days |
Weighted average exercise price | $ 6.06 |
Number of vested options | 2,207,054 |
Weighted average exercise price | $ 6.35 |
Equity Option [Member] | Option Price 4 [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Range of exercise prices, lower range limit | 11.10 |
Range of exercise prices, upper range limit | $ 17.03 |
Number of outstanding options | 500,000 |
Weighted average remaining contractual life (in years) | 8 years 10 days |
Weighted average exercise price | $ 13.53 |
Number of vested options | 67,916 |
Weighted average exercise price | $ 12.62 |
Equity Option [Member] | Option Price 5 [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Range of exercise prices, lower range limit | 18.11 |
Range of exercise prices, upper range limit | $ 24.58 |
Number of outstanding options | 1,297,000 |
Weighted average remaining contractual life (in years) | 9 years 3 months 29 days |
Weighted average exercise price | $ 19.39 |
Number of vested options | 45,000 |
Weighted average exercise price | $ 24.08 |

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