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Note 10 - Earnings Per Share (Tables) | 9 Months Ended
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Jun. 30, 2024
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Nine Months Ended June 30, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Net income |  | $ | 156,692 |  |  | $ | 686,816 |  |  | $ | 11,620,074 |  |  | $ | 10,285,107 |
Weighted average common shares |  |  | 10,188,592 |  |  |  | 9,939,843 |  |  |  | 10,129,111 |  |  |  | 9,893,454 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options to purchase common stock |  |  | 4,205 |  |  |  | 3,028 |  |  |  | 3,236 |  |  |  | 5,767 |
Diluted average common shares |  |  | 10,192,797 |  |  |  | 9,942,871 |  |  |  | 10,132,347 |  |  |  | 9,899,221 |
Earnings per share of common stock: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.02 |  |  | $ | 0.07 |  |  | $ | 1.15 |  |  | $ | 1.04 |
Diluted |  | $ | 0.02 |  |  | $ | 0.07 |  |  | $ | 1.15 |  |  | $ | 1.04 |

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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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