Note A - Basis of Presentation and Summary of Significant Accounting Policies - Contract Liabilities and Revenue Recognized (Details) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Contract Liabilities (Customer Deposits), balance	$ 1,364	$ 302
Contract Liabilities (Customer Deposits), addition	2,660	3,700
Contract Liabilities (Customer Deposits), revenue recognized	(2,699)	(2,479)
Contract Liabilities (Customer Deposits), customer refunds	(2)	0
Contract Liabilities (Customer Deposits), balance	$ 1,323	$ 1,523