Note 4 - Leases - Lease Related Assets and Liabilities (Details) (Parentheticals)	Aug. 31, 2026	May 31, 2026
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Operating and Finance Lease Liability, Current	Operating and Finance Lease Liability, Current
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Operating and Finance Lease Liability, Current	Operating and Finance Lease Liability, Current
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Operating and Finance Lease Liability, Noncurrent	Operating and Finance Lease Liability, Noncurrent
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Operating and Finance Lease Liability, Noncurrent	Operating and Finance Lease Liability, Noncurrent

Indicates line item in statement of financial position that includes current finance lease liability.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-2

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- Definition

Indicates line item in statement of financial position that includes noncurrent finance lease liability.

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- Definition

Indicates line item in statement of financial position that includes current operating lease liability.

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- Definition

Indicates line item in statement of financial position that includes noncurrent operating lease liability.

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