Note 6 - Long-term Debt - Summary of Long-term Debt (Details) - USD ($)	Feb. 29, 2024	May 31, 2023
Long-Term Debt, Gross	$ 14,113,317	$ 17,253,279
Debt issuance costs, net of amortization	(92,784)	(84,022)
Total debt, net of debt issuance costs	14,020,533	17,169,257
Less: Current portion of long-term debt	(2,384,993)	(2,249,570)
Long-Term Debt, net of current portion and debt issuance costs	11,635,540	14,919,687
Term Loans Due July 29, 2027 [Member]
Long-Term Debt, Gross	12,992,827	14,334,736
Revolving Loan Payable Due July 29, 2024 [Member]
Long-Term Debt, Gross	0	1,500,000
Term Loan Payable Due March 19, 2025 [Member]
Long-Term Debt, Gross	350,878	585,536
Term Loan Payable Due August 10, 2028 [Member]
Long-Term Debt, Gross	725,647	759,639
Other Debt [Member]
Long-Term Debt, Gross	$ 43,965	$ 73,368

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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