v3.26.1
Note 13 - Loss Per Share (Details Textual) - shares
9 Months Ended 12 Months Ended
Jun. 30, 2026
Sep. 30, 2025
Options, RSUs and Warrants [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 204,834 7,392
Series B and C Convertible Preferred Stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 1,600,000