Note 6 - Long-term Debt - Summary of Long-term Debt (Details) (Parentheticals) - USD ($)	6 Months Ended	12 Months Ended
Nov. 30, 2023	May 31, 2023
Term Loans Due July 29, 2027 [Member]
Debt Instrument, Maturity Date	Jul. 29, 2027	Jul. 29, 2027
Term Loans Due July 29, 2027 [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	0.50%	0.50%
Term Loans Due July 29, 2027 [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	4.50%	4.50%
Revolving Loan Payable Due July 29, 2024 [Member]
Debt Instrument, Maturity Date	Jul. 29, 2024	Jul. 29, 2024
Revolving Loan Payable Due July 29, 2024 [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	0.50%	0.50%
Revolving Loan Payable Due July 29, 2024 [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	4.50%	4.50%
Term Loan Payable Due March 19, 2025 [Member]
Debt Instrument, Maturity Date	Mar. 19, 2025	Mar. 19, 2025
Debt Instrument, Interest Rate, Stated Percentage	3.70%	3.70%
Debt Instrument, Periodic Payment	$ 27,593	$ 27,593
Term Loan Payable Due August 10, 2028 [Member]
Debt Instrument, Maturity Date	Aug. 10, 2028	Aug. 10, 2028
Debt Instrument, Interest Rate, Stated Percentage	3.50%	3.50%
Debt Instrument, Periodic Payment	$ 5,997	$ 5,997

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

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

+ References

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-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
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- Definition

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

+ References

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-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (d)
-Publisher FASB
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- Definition

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

+ References

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-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
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-URI https://asc.fasb.org//1943274/2147480848/942-470-50-3

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