Note 3 - Leases - Schedule of Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Jun. 30, 2024
2025, Operating Leases	$ 57
2025, Financing Leases	15
2025	72
2026, Operating Leases	0
2026, Financing Leases	27
2026	27
2027, Operating Leases	0
2027, Financing Leases	27
2027	27
2028, Operating Leases	0
2028, Financing Leases	25
2028	25
2029, Operating Leases	0
2029, Financing Leases	0
2029	0
Thereafter, Operating Leases	0
Thereafter, Financing Leases	0
Thereafter	0
Total lease obligations, Operating Leases	57
Total lease obligations, Financing Leases	94
Total lease obligations	151
Less: imputed interest, Operating Leases	(1)
Less: imputed interest, Financing Leases	(8)
Less: imputed interest	(9)
Present value of net minimum lease obligations, Operating Leases	56
Present value of net minimum lease obligations, Financing Leases	86
Present value of net minimum lease obligations	142
Less: lease liabilities - current, Operating Leases	(56)	$ (138)
Less: lease liabilities - current, Finance Leases	(25)	(89)
Less: lease liabilities - current	(81)	(227)
Operating lease obligations	0	0
Financing lease obligations	61	73
Lease liabilities - non-current	$ 61	$ 73