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Note L - Derivatives and Hedging (Details Textual) $ in Thousands, € in Millions, SFr in Millions		12 Months Ended
	Aug. 18, 2021 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 EUR (€)	Jun. 30, 2025 CHF (SFr)	Aug. 23, 2021
Deferred Tax Assets, Derivative Instruments		$ 378	$ 0
Derivative, Fixed Interest Rate						2.40%
Wells Fargo Bank, N.A. [Member] | Credit Agreement [Member] | Term Loan [Member]
Debt Instrument, Face Amount	$ 10,000
Debt Instrument, Basis Spread on Variable Rate	1.80%
Cash Flow Hedging [Member]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax		(1,600)	800
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Interest Income, Effective Portion, Net		(200)	400
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]
Accumulated Other Comprehensive Income (Loss) Cumulative Cash Flow Hedges, Gain (Loss)		(1,600)	200
Deferred Tax Assets, Derivative Instruments		400	100
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months		(1,600)
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Gain (Loss) from Components Excluded from Assessment of Cash Flow Hedge Effectiveness, Net		0	$ 0
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivative, Notional Amount		11,800			SFr 9.5
Foreign Exchange Contract Euro Sales [Member] | Cash Flow Hedging [Member]
Derivative, Notional Amount		35,500		€ 31.2
Foreign Exchange Contract Swiss Franc Sales [Member] | Cash Flow Hedging [Member]
Derivative, Notional Amount		$ 6,800			SFr 5.4
Interest Rate Swap [Member]
Derivative, Fixed Interest Rate						2.40%

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- Definition

Accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges recorded to Accumulated Other Comprehensive Income Loss.

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Represents the effective portion of net gain (loss) reclassified from accumulated other comprehensive income into interest income on derivative instruments designated and qualifying as hedging instruments.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments.

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Fixed interest rate related to the interest rate derivative.

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Nominal or face amount used to calculate payment on derivative.

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The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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