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Note 1 - Organization and Description of Business and Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2024
Notes Tables |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
|  | Fiscal Years Ended September 30, |
|  | 2024 |  |  | 2023 |
|  | Shares |  |  | Weighted Average Grant Date Fair Value per Share |  |  | Shares |  |  | Weighted Average Grant Date Fair Value per Share |
Non-vested balance at beginning of year |  |  | 345,155 |  |  | $ | 6.91 |  |  |  | 315,561 |  |  | $ | 8.15 |
Granted |  |  | 163,700 |  |  |  | 8.96 |  |  |  | 159,700 |  |  |  | 5.53 |
Vested |  |  | (121,161 | ) |  |  | (7.38 | ) |  |  | (124,746 | ) |  |  | (8.22 | )
Forfeited |  |  | - |  |  |  |  |  |  |  | (5,360 | ) |  |  | (8.12 | )
Non-vested balance at end of year |  |  | 387,694 |  |  | $ | 7.63 |  |  |  | 345,155 |  |  | $ | 6.91 |
Schedule of Non Vested Restricted Stock Unit Compensation [Table Text Block] |
|  | September 30, 2024 |
|  | (In thousands, except years) |
Unrecognized compensation expense related to RSUs |  | $ | 2,862 |
Weighted average remaining period to expense for RSUs (in years) |  |  | 3.1 |

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