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Note 14 - Net Income (Loss) Per Share (Tables) | 12 Months Ended
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Oct. 31, 2020
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Years ended October 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Net income (loss) (numerator) |  | $ | (6,121,224 | ) |  | $ | (5,669,321 | ) |  | $ | 1,068,753 |
Shares (denominator) |  |  | 7,354,513 |  |  |  | 7,387,141 |  |  |  | 7,593,435 |
Basic and diluted net income (loss) per share |  | $ | (0.83 | ) |  | $ | (0.77 | ) |  | $ | 0.14 |

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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 http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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