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Note 6 - Earnings Per Share (Tables) | 6 Months Ended
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Apr. 30, 2022
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended April 30, |  |  | Six Months Ended April 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Weighted average shares outstanding for basic earnings per share |  |  | 10,107,687 |  |  |  | 9,963,291 |  |  |  | 10,087,309 |  |  |  | 9,927,776 |
Add effects of potentially dilutive securities-assumed exercise of stock options |  |  | 135,949 |  |  |  | 166,181 |  |  |  | 142,395 |  |  |  | 169,140 |
Weighted average shares outstanding for diluted earnings per share |  |  | 10,243,636 |  |  |  | 10,129,472 |  |  |  | 10,229,704 |  |  |  | 10,096,916 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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