Note 12 - Income Taxes - Deferred Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Accumulated depreciation	$ 122	$ 126
Investments in securities at fair value	1,006	857
Accrued expenses	31	66
Product start-up costs	110	103
Deferred Tax Recognized	188	162
Other	92	67
Capital loss carryover	0	786
Total Deferred Tax Assets	1,549	2,167
Prepaid expenses	(89)	(82)
Foreign tax on undistributed earnings	(209)	(252)
Total Deferred Tax Liabilities	(298)	(334)
Net Deferred Tax Asset	1,251	1,833
Deferred tax asset	1,268	1,833
Deferred tax liability	$ 17	$ 0