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

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 (unaudited)	March 31, 2013				March 31, 2012
	Average		Per share		Average		Per share
	Shares		Amount		Shares		Amount
Basic earnings per share		4,813,812	$	0.03		2,610,856	$	0.04
Effect of dilutive securities:
Stock options		2,678				1,350
Diluted earnings per share		4,816,490	$	0.03		2,612,206	$	0.04