v3.26.1
Note 10 - Share-based Compensation - Schedule of Options (Details)
 9 Months Ended
Jun. 30, 2026
USD ($)
$ / shares
shares
Outstanding, number of shares (in shares) | shares 1,911,020
Outstanding, exercise price (in dollars per share) | $ / shares $ 42.18
Granted, number of shares (in shares) | shares 2,715,100
Granted, exercise price (in dollars per share) | $ / shares $ 2.29
Exercised, number of shares (in shares) | shares 0
Exercised, exercise price (in dollars per share) | $ / shares $ 0
Forfeited and expired, number of shares (in shares) | shares (185,693)
Forfeited and expired, exercise price (in dollars per share) | $ / shares $ 41.15
Outstanding, number of shares (in shares) | shares 4,440,427
Outstanding, exercise price (in dollars per share) | $ / shares $ 17.83
Outstanding, remaining contractual term (Year) 7 years 10 months 6 days
Outstanding, intrinsic value | $ $ 2,294,880
Exercisable, number of shares (in shares) | shares 1,554,278
Exercisable, exercise price (in dollars per share) | $ / shares $ 46.04
Exercisable, remaining contractual term (Year) 4 years 4 months 24 days
Exercisable, intrinsic value | $ $ 0