Note 21 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Net operating losses and credits	$ 704	$ 789
Inventory valuation	68	125
Right-of-use assets	61
Provision for bad debts	0	223
Accrued vacation	11	8
Accrued expense	172	265
Fixed asset basis	9	4
Investment	71	77
General business credit	22	0
Other	0
Other		(106)
Total deferred tax assets	1,118	1,385
Depreciation	(342)	(371)
Other	(8)	(3)
Total deferred tax liabilities	(411)	(374)
Subtotal	707	1,011
Valuation allowance	(617)	(842)
Net deferred tax assets	90	169
Deferred tax assets	100	169
Deferred tax liabilities	$ (10)	$ 0