Annual report pursuant to Section 13 and 15(d)

Note 14 - Stock-based Compensation - Stock Compensation Activity (Details)

v3.24.0.1
Note 14 - Stock-based Compensation - Stock Compensation Activity (Details) - USD ($)
12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2021
Outstanding, Weighted Average Exercise Price (in dollars per share) $ 38 $ 52 $ 58
Common Stock Warrants [Member]      
Outstanding, awards (in shares) 806,452 349,380  
Outstanding, awards, weighted average exercise price (in dollars per share) $ 28.72 $ 53.28  
Outstanding, awards, weighted average contractual term (Year) 4 years 9 months 18 days 2 years 10 months 24 days 1 year 9 months 18 days
Outstanding at September 30, 2021 $ 13,958,846   $ 0
Awarded, awards (in shares) 25,572,245 457,072  
Awarded, awards, weighted average exercise price (in dollars per share) $ 0.85 $ 9.95  
Awarded, awards, weighted average contractual term (Year) 4 years 9 months 18 days 3 years 9 months 18 days  
Exchanged, awards (in shares) (77,090)    
Exchanged, awards, weighted average exercise price (in dollars per share) $ 106.47    
Forfeited/Cancelled, awards (in shares) (17,605)    
Forfeited/Cancelled, awards, weighted average exercise price (in dollars per share) $ 50.2    
Outstanding, awards (in shares) 26,284,002 806,452 349,380
Outstanding, Weighted Average Exercise Price (in dollars per share) $ 0.85    
Vested, awards (in shares) 26,284,002    
Vested and expected to vest, awards (in shares) 26,284,002