Note 1 - Summary of Significant Accounting Policies - Components of Operating Leases (Details) (Parentheticals)	Nov. 30, 2024	Nov. 30, 2023
Operating Lease, Right-of-Use Asset, Statement of Financial Position	Other Assets, Noncurrent	Other Assets, Noncurrent
Operating Lease, Liability, Current, Statement of Financial Position	Accrued Liabilities, Current	Accrued Liabilities, Current