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Note 9 - Loan and Credit Agreements - Summary of Minimum Maturities of Term Debt (Details) - USD ($)
Nov. 30, 2020
Nov. 30, 2019
2021 $ 94,979  
2022 104,026  
2023 109,297  
2024 114,499  
2025 120,644  
2026 and thereafter 2,264,684  
Long-term Debt, Total $ 2,808,129 $ 2,435,993