Note 10 - Accrued Expense - Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jun. 30, 2022
Payroll and related costs	$ 1,864	$ 2,158
Commissions	125	116
Legal and audit	284	320
Sales tax	241	531
Utilities	194	273
Warranty	23	16
Accrued purchase of materials and property, plant and equipment	1,679	905
Provision for reinstatement	298	308
Contract liabilities	1,282	988
Other accrued expense	692	581
Currency translation effect	125	(192)
Total	$ 6,807	$ 6,004