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Net Income Per Common Share (Tables) | 12 Months Ended
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Sep. 30, 2023
Earnings Per Share [Abstract] |
Schedule of Calculation of Numerator and Denominator in Earnings Per Share | Information regarding the calculation of basic and diluted net income per common share for the years ended September 30, 2023, 2022 and 2021 is as follows (dollars in thousands, except per share amounts):
| 2023 |  | 2022 |  | 2021
Basic net income per common share computation |  |  |  |  |
Numerator - net income | $ | 27,118 |  |  | $ | 23,600 |  |  | $ | 27,583 |
Denominator - weighted average common shares outstanding | 8,175,898 |  |  | 8,304,002 |  |  | 8,340,983 |
Basic net income per common share | $ | 3.32 |  |  | $ | 2.84 |  |  | $ | 3.31 |
Diluted net income per common share computation |  |  |  |  |
Numerator - net income | $ | 27,118 |  |  | $ | 23,600 |  |  | $ | 27,583 |
Denominator - weighted average common shares outstanding | 8,175,898 |  |  | 8,304,002 |  |  | 8,340,983 |
Effect of dilutive stock options (1) | 72,283 |  |  | 79,333 |  |  | 103,350 |
Weighted average common shares outstanding-assuming dilution | 8,248,181 |  |  | 8,383,335 |  |  | 8,444,333 |
Diluted net income per common share | $ | 3.29 |  |  | $ | 2.82 |  |  | $ | 3.27 |
______________ (1) For the years ended September 30, 2023, 2022 and 2021, average options to purchase 207,803, 204,265 and 136,148 shares of common stock, respectively, were outstanding but not included in the computation of diluted net income per common share, because their effect would have been anti-dilutive.

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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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