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Note 10 - Stock-based Compensation (Tables) | 6 Months Ended
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Feb. 28, 2023
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Number of Options Outstanding |  |  | Weighted Average Exercise Price |
Outstanding as of August 31, 2022 |  |  | 1,544,727 |  |  | $ | 10.23 |
Granted |  |  | 277,613 |  |  | $ | 11.41 |
Exercised |  |  | (178,331 | ) |  | $ | 6.03 |
Outstanding as of February 28, 2023 |  |  | 1,644,009 |  |  | $ | 10.52 |

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