Note 10 - Loan and Credit Agreements - Summary of Term Debt (Details) - USD ($)	Aug. 31, 2020	Nov. 30, 2019
Term debt	$ 4,068,413	$ 2,435,993
Less current portion of term debt	91,632	85,401
Term debt, excluding current portion	3,976,781	2,350,592
Term Loan Due October 2037 [Member]
Term debt	2,372,183	2,435,993
Term Loan Due April 2022 [Member]
Term debt	1,242,900
SBA Loan One [Member]
Term debt	151,048
SBA Loan Two [Member]
Term debt	151,141
SBA Loan Three [Member]
Term debt	$ 151,141

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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