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Income per Common Share (Tables) | 9 Months Ended
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Aug. 31, 2025
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Net Income per Common Share | The following table sets forth the calculation of basic and diluted net income per common share:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | August 31, 2025 |  |  | August 31, 2024 |  |  | August 31, 2025 |  |  | August 31, 2024 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 749,408 |  |  | $ | 1,051,679 |  |  | $ | 1,388,048 |  |  | $ | 2,263,710 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding-basic |  |  | 8,057,780 |  |  |  | 8,061,946 |  |  |  | 8,073,303 |  |  |  | 8,151,967 |
Dilutive common shares issuable upon exercise of stock options |  |  | 15,874 |  |  |  | 111,589 |  |  |  | 53,311 |  |  |  | 89,521 |
Weighted-average shares-diluted |  |  | 8,073,654 |  |  |  | 8,173,535 |  |  |  | 8,126,614 |  |  |  | 8,241,488 |
Income per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.09 |  |  | $ | 0.13 |  |  | $ | 0.17 |  |  | $ | 0.28 |
Diluted |  | $ | 0.09 |  |  | $ | 0.13 |  |  | $ | 0.17 |  |  | $ | 0.27 |

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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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