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Note 5 - Net Income (Loss) Per Share of Common Stock (Tables) | 9 Months Ended
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Aug. 31, 2021
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | For the Three Months Ended |
|  | August 31, 2021 |  |  | August 31, 2020 |
Numerator for basic and diluted net income (loss) per share: |  |  |  |  |  |  |  |
Net income (loss) |  | $ | 56,456 |  |  | $ | (423,611 | )
Denominator: |  |  |  |  |  |  |  |
For basic net income (loss) per share - weighted average common shares outstanding |  |  | 4,529,026 |  |  |  | 4,426,850 |
Effect of dilutive stock options |  |  | - |  |  |  | - |
For diluted net income (loss) per share - weighted average common shares outstanding |  |  | 4,529,026 |  |  |  | 4,426,850 |
Net Income (Loss) per share - Basic: |  |  |  |  |  |  |  |
Net Income (Loss) per share |  | $ | 0.01 |  |  | $ | (0.10 | )
Net Income (Loss) per share - Diluted: |  |  |  |  |  |  |  |
Net Income (Loss) per share |  | $ | 0.01 |  |  | $ | (0.10 | )
|  | For the Nine Months Ended |
|  | August 31, 2021 |  |  | August 31, 2020 |
Numerator for basic and diluted net income (loss) per share: |  |  |  |  |  |  |  |
Net income (loss) |  | $ | (194,692 | ) |  | $ | (1,662,523 | )
Denominator: |  |  |  |  |  |  |  |
For basic net income (loss) per share - weighted average common shares outstanding |  |  | 4,508,986 |  |  |  | 4,381,686 |
Effect of dilutive stock options |  |  | - |  |  |  | - |
For diluted net income (loss) per share - weighted average common shares outstanding |  |  | 4,508,986 |  |  |  | 4,381,686 |
Net Income (Loss) per share - Basic: |  |  |  |  |  |  |  |
Net Income (Loss) per share |  | $ | (0.04 | ) |  | $ | (0.38 | )
Net Income (Loss) per share - Diluted: |  |  |  |  |  |  |  |
Net Income (Loss) per share |  | $ | (0.04 | ) |  | $ | (0.38 | )

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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=124432515&loc=d3e3550-109257 + Details
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