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 |