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v3.23.2

Note 2 - Operations and Management Plans (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
May 31, 2023 | May 31, 2022 | May 31, 2023 | May 31, 2022 | Nov. 30, 2022
Retained Earnings (Accumulated Deficit) | $ (64,653) |  | $ (64,653) |  | $ (61,383)
Revenue from Contract with Customer, Excluding Assessed Tax | 11,508 | $ 11,619 | 19,919 | $ 19,596 |
Net Income (Loss) Available to Common Stockholders, Basic | $ (1,116) | $ (2,996) | $ (3,269) | $ (6,217) |

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