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Note 4 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	Mar. 31, 2025	Jun. 30, 2024
Equity Securities without Readily Determinable Fair Value, Amount	$ 2,000
Debt Securities, Available-for-Sale	2,704	$ 2,679
Sanyu Electric Pte Ltd [Member]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 700

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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