Three Months Ended September 30,

Nine Months Ended September 30,

2012

2011

2012

2011

Net income (loss)

$

6,370

$

(2,256

)

$

20,884

$

9,980

Basic weighted average shares outstanding

15,628

15,562

15,603

15,544

Basic net income per common share:

Net income (loss) per common share

$

0.41

$

(0.14

)

$

1.34

$

0.64

Diluted weighted average shares outstanding

Basic weighted average shares outstanding

15,628

15,562

15,603

15,544

Weighted average stock grants outstanding

343

—

314

130

Diluted weighted average shares outstanding

15,971

15,562

15,917

15,674

Diluted net income per common share:

Net income (loss) per common share

$

0.40

$

(0.14

)

$

1.31

$

0.64

Potentially dilutive shares excluded from diluted per share amounts:

Stock options

96

—

96

661

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

Stock options

167

1,379

249

202