Note 10 - Loan and Credit Agreements - Summary of Term Debt (Details) - USD ($)	Feb. 28, 2022	Nov. 30, 2021
Long-term Debt, Total	$ 2,716,114	$ 2,734,929
Less current portion of term debt	102,739	99,462
Term debt, excluding current portion	2,613,375	2,635,467
Term Loan Due October 2037 [Member]
Long-term Debt, Total	2,237,384	2,260,412
SBA Loan One [Member]
Long-term Debt, Total	159,555	158,168
SBA Loan Two [Member]
Long-term Debt, Total	159,620	158,181
SBA Loan Three [Member]
Long-term Debt, Total	$ 159,555	$ 158,168