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Note 5 - Net Income (Loss) Per Share of Common Stock | 9 Months Ended
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Aug. 31, 2021
Notes to Financial Statements |
Earnings Per Share [Text Block] |
| 5) | Net Income (Loss) Per Share of Common Stock
Basic net income (loss) per share of common stock has been computed on the basis of the weighted average number of common shares outstanding. Diluted net income (loss) per share has been computed on the basis of the weighted average number of common shares outstanding plus equivalent shares assuming exercise of stock options. Potential shares of common stock that have an anti-dilutive effect (i.e., those that increase income per share or decrease loss per share) are excluded from the calculation of diluted net income (loss) per share. Basic and diluted net income (loss) per share have been computed based on the following as of August 31, 2021, and August 31, 2020:
|  | 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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