Earnings per share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Schedule of information about the number of shares used to compute earnings per share and the results of the computations

	(Unaudited)
	Three months ended September 30,				Nine months ended September 30,
	2013		2012		2013		2012
Weighted average shares outstanding		1,558,901		1,555,972		1,557,306		1,555,756
Stock options		9,063		2,065		5,491		---
Shares used to compute diluted  earnings per share		1,567,964		1,558,037		1,562,797		1,555,756
Basic earnings per share	$	0.45	$	0.57	$	1.30	$	1.28
Diluted earnings per share	$	0.45	$	0.56	$	1.29	$	1.28