Note 21 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
Net operating losses and credits	$ 599	$ 704
Inventory valuation	75	68
Right-of-use assets	56	61
Accrued vacation	12	11
Accrued expense	142	172
Fixed asset basis	11	9
Investment	77	71
General business credit	14	22
Other	13	0
Total deferred tax assets	999	1,118
Depreciation	(238)	(342)
Right-of-use assets	(56)	(61)
Other	(1)	(8)
Total deferred tax liabilities	(295)	(411)
Subtotal	704	707
Valuation allowance	(580)	(617)
Net deferred tax assets	124	90
Deferred tax assets	124	100
Deferred tax liabilities	$ 0	$ (10)