Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Weighted-average number of shares used in computing earnings per share and the effect on weighted-average number of shares of diluted potential common stock

The following table shows the weighted average number of common shares used in computing earnings per share and the effect on the weighted average number of shares of potential dilutive common stock. Potential dilutive common stock has no effect on income available to common shareholders.

	Three months ended
	March 31, 2013			March 31, 2012
	Shares	Per share Amount		Shares	Per share Amount
Basic earnings per share	7,051,009	$	0.19	6,994,858	$	0.23
Effect of dilutive securities:
stock options and grants	31,345			5,311
Diluted earnings per share	7,082,354	$	0.19	7,000,169	$	0.23