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Note 13 - Stockholders' Equity (Tables) | 12 Months Ended
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Nov. 30, 2022
Notes Tables |
Class of Treasury Stock [Table Text Block] |
|  | Number of |  |  |  |  |  |  | Average Cost |
|  | Shares |  |  | Cost of Shares |  |  | per Share |
Shares purchased - February 2022 |  |  | 296,168 |  |  | $ | 2,653,571 |  |  | $ | 9.0 |
Shares purchased - March 2022 |  |  | 754,081 |  |  |  | 7,346,422 |  |  | $ | 9.7 |
Shares purchased - May 2022 |  |  | 729,709 |  |  |  | 4,999,993 |  |  | $ | 6.9 |
Shares purchased - October 2022 |  |  | 324,992 |  |  |  | 2,065,076 |  |  | $ | 6.4 |
Shares purchased - November 2022 |  |  | 61,037 |  |  |  | 434,920 |  |  | $ | 7.1 |
Total |  |  | 2,165,987 |  |  | $ | 17,499,982 |  |  | $ | 8.1 |

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