Note J - Treasury Stock (Details) (USD $)	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Jun. 02, 2011 Maximum [Member]
Note J - Treasury Stock (Details) [Line Items]
Stock Repurchase Program, Authorized Amount			$ 2,000,000
Treasury Stock, Shares, Acquired	0	2,400
Treasury Stock Acquired, Average Cost Per Share		$ 4.55
Treasury Stock, Value, Acquired, Cost Method		$ 11,000