Note A - Basis of Presentation and Summary of Significant Accounting Policies (Details) - Calculation of Basic and Diluted Net Income Per Common Share (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Numerator
Net income (in Dollars)	$ 622	$ 178	$ 904	$ 977
Denominator
Basic weighted average common shares outstanding	6,819,071	6,841,163	6,817,643	6,883,304
Dilutive effect of stock options	24,000	3,000	28,000	8,000
Diluted weighted average common shares outstanding	6,842,951	6,843,897	6,845,765	6,891,023
Basic net income per common share (in Dollars per share)	$ 0.09	$ 0.03	$ 0.13	$ 0.14
Diluted net income per common share (in Dollars per share)	$ 0.09	$ 0.03	$ 0.13	$ 0.14