Note C - Property and Equipment (Details Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Depreciation	$ 1.2	$ 1.1	$ 3.5	$ 3.4