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Note 10 - Earnings (Loss) Per Common Share | 6 Months Ended
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Mar. 31, 2025
Notes to Financial Statements |
Earnings Per Share [Text Block] | 10. Earnings (Loss) Per Common Share The following table summarizes the calculation of net earnings (loss) and weighted average common shares and common equivalent shares outstanding for purposes of the computation of earnings (loss) per share (in thousands, except share and per share data):
|  | Three Months Ended |  |  | Six Months Ended |
|  | March 31, 2025 |  |  | March 31, 2024 |  |  | March 31, 2025 |  |  | March 31, 2024 |
Net income (loss) |  | $ | (9,798 | ) |  | $ | (4,327 | ) |  | $ | (1,422 | ) |  | $ | 8,352 |
Weighted average number of common share equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common shares used in basic earnings (loss) per share |  |  | 12,792,803 |  |  |  | 13,343,793 |  |  |  | 12,772,981 |  |  |  | 13,297,324 |
Common share equivalents outstanding related to RSUs |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 174,451 |
Total weighted average common shares and common share equivalents used in diluted earnings (loss) per share |  |  | 12,792,803 |  |  |  | 13,343,793 |  |  |  | 12,772,981 |  |  |  | 13,471,775 |
Earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.77 | ) |  | $ | (0.32 | ) |  | $ | (0.11 | ) |  | $ | 0.63 |
Diluted |  | $ | (0.77 | ) |  | $ | (0.32 | ) |  | $ | (0.11 | ) |  | $ | 0.62 |
For the calculation of diluted earnings per share for each of the three and six months ended March 31, 2025, there were 354,965 non-vested RSUs, respectively, excluded from the calculation of weighted average shares outstanding since their impact on diluted earnings per share were antidilutive. For the calculation of diluted earnings per share for the three and six months ended March 31, 2024, there were 400,020 and 225,569 non-vested RSUs, respectively, excluded from the calculation of weighted average shares outstanding since their impact on diluted earnings per share were antidilutive.

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