Three Months Ended September 30,

Nine Months Ended September 30,

2013

2012

2013

2012

Net income

$

4,850

$

6,370

$

15,766

$

20,884

Basic weighted average shares outstanding

16,068

15,628

15,930

15,603

Basic net income per common share

$

0.30

$

0.41

$

0.99

$

1.34

Diluted shares outstanding

Basic weighted average shares outstanding

16,068

15,628

15,930

15,603

Weighted average stock options outstanding

422

343

397

314

Diluted weighted average shares outstanding

16,490

15,971

16,327

15,917

Diluted net income per common share

$

0.29

$

0.40

$

0.97

$

1.31

Potentially dilutive shares excluded from diluted per share amounts:

Stock options

140

96

140

96

Potentially anti-dilutive shares excluded from diluted per share amounts:

Stock options

20

167

45

249