Note 7 - Leases - Lease Related Assets and Liabilities (Details) (Parentheticals) |
May 31, 2025 |
May 31, 2024 |
|---|---|---|
| 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 |