Quarterly report [Sections 13 or 15(d)]

Note 10 - Share-based Compensation - Schedule of Options (Details)

v3.25.2
Note 10 - Share-based Compensation - Schedule of Options (Details)
 9 Months Ended
Jun. 30, 2025
USD ($)
$ / shares
shares
Outstanding, balance (in shares) | shares 1,846,243
Outstanding, exercise price (in dollars per share) | $ / shares $ 45.92
Granted (in shares) | shares 184,000
Granted, exercise price (in dollars per share) | $ / shares $ 5.36
Exercised (in shares) | shares 0
Exercised, exercise price (in dollars per share) | $ / shares $ 0
Forfeited and expired (in shares) | shares (78,175)
Forfeited and expired, exercise price (in dollars per share) | $ / shares $ 48.7
Outstanding, balance (in shares) | shares 1,952,068
Outstanding, exercise price (in dollars per share) | $ / shares $ 41.98
Outstanding, remaining contractual term (Year) 5 years 5 months 26 days
Outstanding, intrinsic value | $ $ 136,465
Exercisable (in shares) | shares 1,553,904
Exercisable, exercise price (in dollars per share) | $ / shares $ 46.88
Exercisable, remaining contractual term (Year) 4 years 7 months 9 days
Exercisable, intrinsic value | $ $ 8,180