Note 3 - Leases - Schedule of Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Jun. 30, 2023
2024, Operating Leases	$ 41
2024, Financing Leases	46
2024	87
2025, Operating Leases	142
2025, Financing Leases	94
2025	236
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
Thereafter, Operating Leases	0
Thereafter, Financing Leases	0
Thereafter	0
Total lease obligations, Operating Leases	183
Total lease obligations, Financing Leases	219
Total lease obligations	402
Less: imputed interest, Operating Leases	(6)
Less: imputed interest, Financing Leases	(15)
Less: imputed interest	(21)
Present value of net minimum lease obligations, Operating Leases	177
Present value of net minimum lease obligations	204
Present value of net minimum lease obligations	381
Less: lease liabilities - current, Operating Leases	(163)	$ (148)
Less: lease liabilities - current	(126)	(168)
Less: lease liabilities - current	(289)
Operating lease obligations	14	130
Financing lease obligations	78	$ 161
Lease liabilities - non-current	$ 92