Note G - Economic Dependency - Substantial Net Purchase From Certain Suppliers (Details) - Supplier Concentration Risk [Member] - Raw Material Purchases [Member] - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Raw Material Purchases by Supplier	$ 2,832	$ 5,428
Supplier 1 [Member]
Raw Material Purchases by Supplier	$ 2,832	3,368
Supplier 2 [Member]
Raw Material Purchases by Supplier		$ 2,060