Earnings per share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Weighted average number of shares used in computing earnings per share

The following table shows the weighted average number of shares used in computing earnings per share and the effect on the weighted average number of shares of dilutive potential common stock.

	Three Months Ended								Nine Months Ended
	September 30, 2012				September 30, 2011				September 30, 2012				September 30, 2011
	Average Shares		Per Share Amount		Average Shares		Per share Amount		Average Shares		Per Share Amount		Average Shares		Per Share Amount
(Unaudited)
Basic earnings per share		2,610,856	$	0.09		2,605,856	$	0.02		2,610,856	$	0.17		2,605,856	$	0.10
Effect of dilutive securities:
Stock options		1,402				—				1,828				—
Diluted earnings per share		2,612,258	$	0.09		2,605,856	$	0.02		2,612,684	$	0.17		2,605,856	$	0.10