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Note 10 - Loan and Credit Agreements - Summary of Minimum Maturities of Term Debt (Details) - USD ($)
Nov. 30, 2018
Nov. 30, 2017
2019 $ 227,459  
2020 172,426  
2021 90,179  
2022 94,858  
2023 99,781  
2024 and thereafter 2,065,774  
Total term debt $ 2,750,477 $ 3,569,491