Note 6 - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Jun. 30, 2024
Total lease cost	$ 229	$ 418	$ 442	$ 816
Operating lease right-of-use assets (Year)	5 years 7 months 6 days		5 years 7 months 6 days		2 years 8 months 12 days
Operating lease right-of-use assets	12.10%		12.10%		10.00%
Operating cash flows from operating leases			$ 606	697
Operating cash flows from finance leases			0	2
Financing cash flows from finance leases			0	46
Operating Expense [Member]
Operating lease cost	$ 143	381	265	741
Short-term lease cost	86	21	177	44
Cost of Sales [Member]
Amortization of leased assets	0	15	0	29
Other Expense [Member]
Interest on lease liabilities	$ 0	$ 1	$ 0	$ 2