Note 11 - Accrued Expense - Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Payroll and related costs	$ 2,158	$ 1,362
Commissions	116	51
Customer deposits	10	45
Legal and audit	320	321
Sales tax	531	9
Utilities	273	91
Warranty	16	14
Accrued purchase of materials and property, plant and equipment	905	144
Provision for reinstatement	308	290
Deferred income	55	67
Contract liabilities	933	628
Other accrued expense	571	279
Currency translation effect	(192)	62
Total	$ 6,004	$ 3,363