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Net Income (Loss) Per Share
 12 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
Net Income (Loss) Per Share
Net Income (Loss) Per Share
Net income (loss) per share was computed by dividing net loss by the weighted average number of common shares outstanding for the years ended December 31, 2012, 2011, and 2010:

Year Ended December 31,

2012

2011

2010
Net income (loss)
$
(35,774
)

$
(28,730
)

$
10,653

Weighted average shares - basic
59,811


56,592


48,902

Net income (loss) per share - basic
$
(0.60
)

$
(0.51
)

$
0.22

Weighted average shares - diluted
59,811


56,592


50,544

Net income (loss) per share - diluted
$
(0.60
)

$
(0.51
)

$
0.21



The following outstanding Company securities were excluded from the above calculations of net loss per share because their impact would have been anti-dilutive due to the net losses during the years ended December 31, 2012 and 2011:

 Year Ended December 31,

2012

2011

2010
Common stock options
2,698


3,127


—

Restricted stock awards
405


640


—

Restricted stock units
492


—


—

  Total
3,595


3,767


—