Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Stock options (Details)

v3.22.4
Stock-Based Compensation - Stock options (Details) - USD ($)
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Stock Options    
Outstanding, Beginning balance 7,397,154 6,190,790
Granted 1,768,365 1,758,599
Exercised (792,250) (47,052)
Forfeited (743,988) (505,183)
Outstanding, Ending balance 7,629,281 7,397,154
Exercisable 5,017,592  
Weighted-Average Exercise Price per Share    
Outstanding, Beginning balance $ 3.13 $ 2.76
Granted 2.14 5.45
Exercised 0.00 2.39
Forfeited 4.74 6.80
Outstanding, Ending balance 3.08 $ 3.13
Exercisable $ 2.90  
Weighted-Average Remaining Contractual Life (in years) and Aggregate Intrinsic Value    
Outstanding 6 years 9 months 18 days  
Exercisable 5 years 8 months 12 days  
Outstanding $ 992,754  
Exercisable $ 992,754