Note 10 - Loan and Credit Agreements - Summary of Term Debt-parentheticals (Details) (Parentheticals) - USD ($)	6 Months Ended	12 Months Ended
May 31, 2022	May 31, 2021	Nov. 30, 2021
Term Loan Due October 2037 [Member]
Debt Instrument, Periodic Payment, Total	$ 17,271	$ 17,271
Debt Instrument, Interest Rate, Stated Percentage	5.00%	5.00%
Debt instrument, maturity date	Oct. 01, 2037	Oct. 01, 2037
SBA Loan One [Member]
Debt Instrument, Periodic Payment, Total	$ 731	$ 731
Debt Instrument, Interest Rate, Stated Percentage	3.75%	3.75%
Debt instrument, maturity date	Jun. 18, 2050	Jun. 18, 2050
Debt Instrument, Face Amount	$ 150,000		$ 150,000
SBA Loan Two [Member]
Debt Instrument, Periodic Payment, Total	$ 731		$ 731
Debt Instrument, Interest Rate, Stated Percentage	3.75%		3.75%
Debt instrument, maturity date	Jun. 18, 2050		Jun. 18, 2050
Debt Instrument, Face Amount	$ 150,000		$ 150,000
SBA Loan Three [Member]
Debt Instrument, Periodic Payment, Total	$ 731		$ 731
Debt Instrument, Interest Rate, Stated Percentage	3.75%		3.75%
Debt instrument, maturity date	Jun. 24, 2050		Jun. 24, 2050
Debt Instrument, Face Amount	$ 150,000
Bank Midwest Loan 2 [Member]
Debt Instrument, Periodic Payment, Total	$ 2,972
Debt Instrument, Interest Rate, Stated Percentage	6.00%
Debt instrument, maturity date	May 15, 2027

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Amount of the required periodic payments including both interest and principal payments.

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