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Commitments and Contingencies (Details 2) - $ / shares
6 Months Ended 12 Months Ended
Mar. 31, 2023
Sep. 30, 2022
Sep. 30, 2021
Offsetting Assets [Line Items]      
Weighted average remaining contractual life (in years) 6 years 4 months 6 days 6 years 4 months 24 days  
Equity Option [Member]      
Offsetting Assets [Line Items]      
Number of outstanding options 14,841,613 13,169,616 11,330,903
Weighted average remaining contractual life (in years) 6 years 4 months 6 days    
Weighted average exercise price $ 6.97 $ 6.61 $ 5.74
Number of vested options 9,937,362    
Weighted average exercise price options vested $ 4.78    
Equity Option [Member] | Option Price 1 [Member]      
Offsetting Assets [Line Items]      
Range of exercise prices, lower range limit 0.92    
Range of exercise prices, upper range limit $ 2.96    
Number of outstanding options 3,834,559    
Weighted average remaining contractual life (in years) 4 years 7 months 6 days    
Weighted average exercise price $ 2.29    
Number of vested options 3,834,559    
Weighted average exercise price options vested $ 2.29    
Equity Option [Member] | Option Price 2 [Member]      
Offsetting Assets [Line Items]      
Range of exercise prices, lower range limit 3.15    
Range of exercise prices, upper range limit $ 4.80    
Number of outstanding options 2,022,500    
Weighted average remaining contractual life (in years) 4 years 9 months 25 days    
Weighted average exercise price $ 3.28    
Number of vested options 2,017,500    
Weighted average exercise price options vested $ 3.28    
Equity Option [Member] | Option Price 3 [Member]      
Offsetting Assets [Line Items]      
Range of exercise prices, lower range limit 5.04    
Range of exercise prices, upper range limit $ 8.98    
Number of outstanding options 5,307,054    
Weighted average remaining contractual life (in years) 6 years 8 months 19 days    
Weighted average exercise price $ 6.89    
Number of vested options 3,345,720    
Weighted average exercise price options vested $ 6.08    
Equity Option [Member] | Option Price 4 [Member]      
Offsetting Assets [Line Items]      
Range of exercise prices, lower range limit 9.20    
Range of exercise prices, upper range limit $ 13.01    
Number of outstanding options 2,118,000    
Weighted average remaining contractual life (in years) 8 years 10 months 13 days    
Weighted average exercise price $ 10.68    
Number of vested options 312,083    
Weighted average exercise price options vested $ 11.94    
Equity Option [Member] | Option Price 5 [Member]      
Offsetting Assets [Line Items]      
Range of exercise prices, lower range limit 13.22    
Range of exercise prices, upper range limit $ 24.58    
Number of outstanding options 1,559,500    
Weighted average remaining contractual life (in years) 7 years 11 months 26 days    
Weighted average exercise price $ 18.48    
Number of vested options 427,500    
Weighted average exercise price options vested $ 18.90