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Note 4 - Leases - Schedule of Balance Sheet Presentation of Operating and Finance Leases (Details) (Parentheticals) - USD ($) $ in Thousands | Jun. 30, 2024 | Jun. 30, 2023
--- | --- | ---
Assets [Abstract] |  |
Property, Plant and Equipment, Net | $ 2,763 | $ 2,670
Liabilities, Current [Abstract] |  |
Operating and Finance Leases, Liability, Current | 227 | 316
Liabilities, Noncurrent [Abstract] |  |
Operating and Finance Leases, Liability, Noncurrent | $ 73 | $ 291
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Property, Plant and Equipment, Net | Property, Plant and Equipment, Net
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Operating and Finance Leases, Liability, Current | Operating and Finance Leases, Liability, Current
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Operating and Finance Leases, Liability, Current | Operating and Finance Leases, Liability, Current
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Operating and Finance Leases, Liability, Noncurrent | Operating and Finance Leases, Liability, Noncurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Operating and Finance Leases, Liability, Noncurrent | Operating and Finance Leases, Liability, Noncurrent

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