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		9 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Raw Material Purchases by Supplier	$ 0	$ 3,074	$ 0	$ 11,002
Supplier 1 [Member]
Raw Material Purchases by Supplier		$ 3,074		$ 11,002