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Note 12 - Earnings (Loss) Per Common Share (Tables) | 6 Months Ended
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Mar. 31, 2023
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | March 31, 2023 |  |  | March 31, 2022 |  |  | March 31, 2023 |  |  | March 31, 2022 |
Net income (loss) |  | $ | 4,637 |  |  | $ | (1,474 | ) |  | $ | 4,540 |  |  | $ | (8,242 | )
Less: Income allocable to unvested restricted stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Income (loss) attributable to common shareholders for diluted earnings (loss) per share |  | $ | 4,637 |  |  | $ | (1,474 | ) |  | $ | 4,540 |  |  | $ | (8,242 | )
Weighted average number of common share equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common shares used in basic earnings (loss) per share |  |  | 13,156,715 |  |  |  | 12,999,022 |  |  |  | 13,111,866 |  |  |  | 12,958,911 |
Common share equivalents outstanding related to RSUs |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total weighted average common shares and common share equivalents used in diluted earnings (loss) per share |  |  | 13,156,715 |  |  |  | 12,999,022 |  |  |  | 13,111,866 |  |  |  | 12,958,911 |
Earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.35 |  |  | $ | (0.11 | ) |  | $ | 0.35 |  |  | $ | (0.64 | )
Diluted |  | $ | 0.35 |  |  | $ | (0.11 | ) |  | $ | 0.35 |  |  | $ | (0.64 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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