Three months

ended September 30,

Nine months

ended September 30,

2015

2014

2015

2014

Numerator for basic and diluted earnings per share - net income

$

2,220

$

2,044

$

6,290

$

6,512

Denominator for basic earnings per share - weighted average shares outstanding

3,343,011

3,298,057

3,332,650

3,286,438

Effect of dilutive securities - employee stock options

13,778

11,408

12,980

9,766

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

3,356,789

3,309,465

3,345,630

3,296,204

Earnings per share - basic

$

0.66

$

0.62

$

1.89

$

1.98

Earnings per share - diluted

$

0.66

$

0.62

1.88

$

1.98