Quarterly report [Sections 13 or 15(d)]

Note 2 - Net Income (Loss) Per Share (Details Textual)

v3.25.2
Note 2 - Net Income (Loss) Per Share (Details Textual) - shares
3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Share-Based Payment Arrangement, Option [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 379,471 366,984 395,619 364,104
Performance Shares [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 76,121 47,745 76,121 47,745