Note 10 - Accrued Expense - Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Jun. 30, 2023
Payroll and related costs	$ 1,572	$ 1,880
Commissions	171	158
Legal and audit	285	280
Sales tax	55	140
Utilities	241	236
Warranty	36	24
Accrued purchase of materials and property, plant and equipment	1,064	1,214
Provision for reinstatement	373	380
Other accrued expense	47	42
Currency translation effect	60	(63)
Total	$ 3,904	$ 4,291