Note O - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Deferred Tax Assets, Tax Credit Carryforwards, Foreign	$ 9,639	$ 8,347
Deferred Tax Assets, Valuation Allowance	23,964	24,035
Undistributed Earnings of Foreign Subsidiaries	30,302	20,977
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	644	766
Unrecognized Tax Benefits, Income Tax Penalties Accrued	6	$ 68
Domestic Tax Jurisdiction [Member]
Operating Loss Carryforwards, Subject to Expiration	0
Tax Credit Carryforward, Amount	$ 11,718
Open Tax Year	2021 2022 2023 2024 2025
State and Local Jurisdiction [Member]
Operating Loss Carryforwards, Subject to Expiration	$ 31,031
Tax Credit Carryforward, Amount	$ 1,276
Foreign Tax Jurisdiction [Member]
Open Tax Year	2020 2021 2022 2023 2024 2025