Note 10 - Loan and Credit Agreements - Summary of Term Debt (Details) - USD ($)	May 31, 2020	Nov. 30, 2019
Term debt	$ 3,636,403	$ 2,435,993
Less current portion of term debt	87,909	85,401
Term debt, excluding current portion	3,548,494	2,350,592
Term Loan Due October 2037 [Member]
Term debt	2,393,503	2,435,993
Term Loan Due April 2022 [Member]
Term debt	$ 1,242,900

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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