Note H - Earnings Per Share (Details) - Computations of Basic and Diluted Earnings Per Share (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Computations of Basic and Diluted Earnings Per Share [Abstract]
Net income (in Dollars)	$ 2,393	$ 881	$ 4,619	$ 2,490
Basic weighted average common shares outstanding	8,654	8,702	8,667	8,700
Dilutive effect of common stock equivalents	9	1	4	2
Diluted weighted average common shares outstanding	8,663	8,703	8,671	8,702
Basic earnings per share (in Dollars per share)	$ 0.28	$ 0.10	$ 0.53	$ 0.29
Diluted earnings per share (in Dollars per share)	$ 0.28	$ 0.10	$ 0.53	$ 0.29