Note 10 - Accrued Expense - Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Jun. 30, 2023
Payroll and related costs	$ 1,633	$ 1,880
Commissions	206	158
Legal and audit	238	280
Sales tax	76	140
Utilities	183	236
Warranty	40	24
Accrued purchase of materials and property, plant and equipment	1,529	1,214
Provision for reinstatement	373	380
Other accrued expense	69	42
Currency translation effect	159	(63)
Total	$ 4,506	$ 4,291