Note 6 - Accrued Expenses - Accrued Expenses (Details) (Parentheticals)	Jun. 30, 2024	Jun. 30, 2023
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses	Accrued expenses
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses	Accrued expenses