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Note 6 - Earnings (Loss) Per Share (Tables) | 6 Months Ended
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Apr. 30, 2021
Notes Tables |
Schedule of Weighted Average Number of Shares [Table Text Block] |
|  | Three Months Ended April 30, |  |  | Six Months Ended April 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Weighted average shares outstanding for basic earnings (loss) per share |  |  | 9,963,291 |  |  |  | 9,704,880 |  |  |  | 9,927,776 |  |  |  | 9,633,935 |
Add effects of potentially dilutive securities-assumed exercise of stock options |  |  | 166,181 |  |  |  | - |  |  |  | 169,140 |  |  |  | - |
Weighted average shares outstanding for diluted earnings (loss) per share |  |  | 10,129,472 |  |  |  | 9,704,880 |  |  |  | 10,096,916 |  |  |  | 9,633,935 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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