Note 10 - Loan and Credit Agreements - Summary of Term Debt (Details) - USD ($)	Aug. 31, 2022	Nov. 30, 2021
Long-Term Debt, Total	$ 3,023,605	$ 2,734,929
Less current portion of term debt	114,407	99,462
Term debt, excluding current portion	2,909,198	2,635,467
Term Loan Due October 2037 [Member]
Long-Term Debt, Total	2,189,491	2,260,412
SBA Loan One [Member]
Long-Term Debt, Total	162,390	158,168
SBA Loan Two [Member]
Long-Term Debt, Total	162,390	158,168
SBA Loan Three [Member]
Long-Term Debt, Total	162,509	158,181
Bank Midwest Loan 2 [Member]
Long-Term Debt, Total	$ 346,825	$ 0