Note O - Derivative Financial Instruments (Details Textual) $ in Thousands, € in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Sep. 24, 2021 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2021 EUR (€)	Jun. 29, 2018 USD ($)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance	$ 124,768	$ 131,188	$ 131,624	$ 130,660
Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months	214
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance	1,013	356	$ (610)	$ (678)
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance	$ 705	355
Interest Rate Swap [Member]
Derivative, Number of Instruments Held, Total	1
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Bank of Montreal [Member]
Derivative, Notional Amount	$ 13,000					$ 20,000
Euro Denominated Revolving Loan [Member] | Net Investment Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative, Notional Amount | €					€ 13
Derivative, Gain (Loss) on Derivative, Net, Total	$ (1,995)	$ (1,551)