Note 7 - Income Taxes - Significant Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Net operating loss	$ 5,105	$ 5,166
Capital loss carryover	678	485
Depreciation	(139)	(157)
Inventory	180	149
Other	337	296
Valuation allowance	(1,435)	(1,141)
Total deferred tax asset, net	$ 4,726	$ 4,798

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-6

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-Section 50
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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