Note 7 - Leases - Lease Expense (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2026	Jun. 30, 2025
Amortization of right of use assets		$ 34	$ 32
Interest on lease liabilities		6	1
Total finance lease cost		40	33
Short-term lease cost		71	69
Total lease cost		111	102
Operating cash flows from finance leases included in lease liabilities		5	1
Financing cash flows from finance leases included in lease liabilities		28	33
Lease liabilities obtained from new ROU assets - finance	[1]	$ 92	$ 0
Weighted-average remaining lease term - finance leases (years) (Year)		2 years 6 months	3 months
Weighted-average discount rate - finance leases		7.50%	4.75%

[1] During fiscal year 2026, non-cash changes in lease liabilities included $92,000 of new right-of-use assets recognized in exchange for new lease liabilities and $6,000 of amortization of lease liabilities during rent-free periods. There were no non-cash changes in lease liabilities during fiscal year 2025.