v3.26.1
Note 10 - Loss Per Common Share (Details Textual) - shares
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Restricted Stock Units (RSUs) [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 283,134 350,318 283,134 350,318