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Note 14 - Equity Incentive Plan and Stock Based Compensation (Tables) | 9 Months Ended
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Aug. 31, 2021
Notes Tables |
Share-based Payment Arrangement, Activity [Table Text Block] |
Stock Issuance |  | For the Three Months Ended |
|  | August 31, 2021 |  |  | August 31, 2020 |
Shares issued to directors (immediate vesting) |  |  | 5,000 |  |  |  | 5,000 |
Shares issued to directors, employees, and consultants (three-year vesting) |  |  | - |  |  |  | - |
Total shares issued |  |  | 5,000 |  |  |  | 5,000 |
|  | For the Nine Months Ended |
|  | August 31, 2021 |  |  | August 31, 2020 |
Shares issued to directors (immediate vesting) |  |  | 20,000 |  |  |  | 20,000 |
Shares issued to directors, employees, and consultants (three-year vesting) |  |  | 88,500 |  |  |  | 123,917 |
Total shares issued |  |  | 108,500 |  |  |  | 143,917 |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
Stock Based Compensation Expense |  | For the Three Months Ended |
|  | August 31, 2021 |  |  | August 31, 2020 |
Stock-based compensation expense |  |  | 61,446 |  |  |  | 42,910 |
Treasury share repurchase expense |  |  | - |  |  |  | - |
Stock-based compensation expense net of treasury repurchases |  |  | 61,446 |  |  |  | 42,910 |
|  | For the Nine Months Ended |
|  | August 31, 2021 |  |  | August 31, 2020 |
Stock-based compensation expense |  |  | 203,245 |  |  |  | 195,662 |
Treasury share repurchase expense |  |  | (30,471 | ) |  |  | (26,536 | )
Stock-based compensation expense net of treasury repurchases |  |  | 172,774 |  |  |  | 169,126 |

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