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, 2025	Sep. 30, 2024
Raw Material Purchases by Supplier	$ 0	$ 4,238
Supplier 1 [Member]
Raw Material Purchases by Supplier		$ 4,238