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Note 8 - Accrued Expenses (Tables) | 9 Months Ended
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Aug. 31, 2023
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | August 31, 2023 |  |  | November 30, 2022 |
Salaries, wages, and commissions |  | $ | 559,694 |  |  | $ | 707,399 |
Accrued warranty expense |  |  | 264,033 |  |  |  | 192,301 |
Other |  |  | 317,851 |  |  |  | 262,061 |
Total accrued expenses |  | $ | 1,141,578 |  |  | $ | 1,161,761 |

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