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		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Raw Material Purchases by Supplier	$ 2,778
% of Total Raw Material Purchases		3961.00%	5869.00%	6793.00%
Supplier 1 [Member]
Raw Material Purchases by Supplier	$ 2,778	$ 3,961	$ 5,869	$ 6,793