Note 12 - Accrued Expense - Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Payroll and related costs	$ 1,880	$ 2,158
Commissions	158	116
Legal and audit	280	320
Sales tax	140	531
Utilities	236	273
Warranty	24	16
Accrued purchase of materials and property, plant and equipment	1,214	905
Provision for reinstatement	380	308
Contract liabilities	1,275	988
Other accrued expense	50	581
Currency translation effect	(69)	(192)
Total	$ 5,568	$ 6,004