Note A - Organization and Summary of Significant Accounting Policies - Contract Liabilities and Revenue Recognized (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Contract Liabilities (Customer Deposits), balance	$ 317	$ 140
Contract Liabilities (Customer Deposits), addition	2,500	317
Contract Liabilities (Customer Deposits)	(2,515)	(137)
Contract Liabilities (Customer Deposits), customer refunds	0	(3)
Contract Liabilities (Customer Deposits), balance	$ 302	$ 317