Note 10 - Accrued Expense - Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022
Payroll and related costs	$ 1,850	$ 2,158
Commissions	158	116
Legal and audit	293	320
Sales tax	156	531
Utilities	200	273
Warranty	24	16
Accrued purchase of materials and property, plant and equipment	1,694	905
Provision for reinstatement	298	308
Contract liabilities	1,501	988
Other accrued expense	216	581
Currency translation effect	180	(192)
Total	$ 6,570	$ 6,004