Note 10 - Accrued Expense - Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022
Payroll and related costs	$ 2,469	$ 2,158
Commissions	133	116
Customer deposits	9	10
Legal and audit	346	320
Sales tax	76	531
Utilities	215	273
Warranty	18	16
Accrued purchase of materials and property, plant and equipment	456	905
Provision for reinstatement	298	308
Deferred income	49	55
Contract liabilities	1,218	933
Other accrued expense	829	571
Currency translation effect	63	(192)
Total	$ 6,179	$ 6,004