Note 20 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Net operating losses and credits	$ 789	$ 782
Inventory valuation	125	144
Provision for bad debts	223	0
Accrued vacation	8	12
Accrued expense	265	134
Fixed asset basis	4	3
Investment	77	77
Unrealized gain	0	4
Other	(106)
Other		12
Total deferred tax assets	1,385	1,168
Depreciation	(371)	(329)
Other	(3)	0
Total deferred income tax liabilities	(374)	(329)
Subtotal	1,011	839
Valuation allowance	(842)	(622)
Net deferred tax assets	169	217
Deferred tax assets	$ 169	$ 217