Three months

ended June 30,

Six months

ended June 30,

2013

2012

2013

2012

Numerator for basic and diluted earnings per share - net income

$

1,894

$

2,505

$

4,302

$

4,976

Denominator for basic earnings per share - weighted average shares outstanding

3,243,867

3,190,552

3,238,020

3,185,728

Effect of dilutive securities - employee stock options

12,088

17,774

11,048

14,865

Denominator for diluted earnings per share - adjusted weighted average shares outstanding

3,255,955

3,208,326

3,249,068

3,200,593

Earnings per share - basic

$

0.58

$

0.79

$

1.33

$

1.56

Earnings per share - diluted

$

0.58

$

0.78

$

1.32

$

1.55