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Note 11 - Related Party Transactions (Details Textual) - USD ($) | 12 Months Ended
--- | ---
Nov. 30, 2024 | Nov. 30, 2023
Revenue from Contract with Customer, Including Assessed Tax | $ 24,499,000 | $ 30,281,000
Accrued Liabilities, Current | 1,303,718 | 1,399,232
Related Party [Member] |  |
Revenue from Contract with Customer, Including Assessed Tax | 0 | 0
Accounts Receivable, after Allowance for Credit Loss | 0 | 0
Costs and Expenses | 15,193 | 16,102
Accrued Liabilities, Current | $ 1,153 | $ 1,339

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