Note G - Income Taxes - Geographical Breakdown of Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Total income before income taxes	$ (1,738)	$ 7,953
Domestic Tax Authority [Member]
Total income before income taxes	(5,742)	927
Foreign Tax Authority [Member]
Total income before income taxes	$ 4,004	$ 7,026