Note 10 - Loan and Credit Agreements - Summary of Term Debt (Details) - USD ($)	Feb. 28, 2021	Nov. 30, 2020
Long-term Debt, Total	$ 2,790,417	$ 2,808,129
Less current portion of term debt	91,336	94,979
Term debt, excluding current portion	2,699,081	2,713,150
Term Loan Due October 2037 [Member]
Long-term Debt, Total	2,328,719	2,350,593
SBA Loan One [Member]
Long-term Debt, Total	153,930	152,543
SBA Loan Two [Member]
Long-term Debt, Total	153,838	152,450
SBA Loan Three [Member]
Long-term Debt, Total	$ 153,930	$ 152,543

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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