Note F - Defined Benefit Pension Plan (Details) - Components Included in Defined Benefit Pension Plan's Net Periodic Benefit Expense (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Components Included in Defined Benefit Pension Plan's Net Periodic Benefit Expense [Abstract]
Interest cost	$ 22	$ 22	$ 44	$ 44
Expected return on plan assets	(9)	(3)	(19)	(5)
Net periodic expense	$ 13	$ 19	$ 25	$ 39