Note 9 - Loan and Credit Agreements - Summary of Term Debt (Details) - USD ($)	Nov. 30, 2022	Nov. 30, 2021
Long-Term Debt, Total	$ 3,001,919	$ 2,734,929
Less current portion of term debt	97,678	99,462
Term debt, excluding current portion	2,904,241	2,635,467
Term Loan Due October 2037 [Member]
Long-Term Debt, Total	2,165,554	2,260,412
Bank Midwest Loan 2 [Member]
Long-Term Debt, Total	344,932	0
SBA Loan One [Member]
Long-Term Debt, Total	163,793	158,168
SBA Loan Two [Member]
Long-Term Debt, Total	163,728	158,168
SBA Loan Three [Member]
Long-Term Debt, Total	$ 163,912	$ 158,181