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Earnings Per Share - (Tables)
 3 Months Ended
Mar. 31, 2013
Earnings Per Share [Abstract]  
Basic and diluted earnings per share calculations
The following table is a reconciliation of the basic and diluted earnings per share calculations for the three months ended March 31, 2013 and 2012:
 
 
For the Three months ended March 31,
 
2013
 
2012
Numerator:
 
 
 
Net loss
$
(10,622
)
 
$
(4,300
)
Denominator:
 
 
 
Denominator for basic loss per share:
 
 
 
Weighted average common shares outstanding
23,127

 
22,972

Effect of dilutive securities:
 
 
 
Outstanding common stock equivalents
—

 
—

Denominator for diluted earnings per share
23,127

 
22,972

Basic loss per share
$
(0.46
)
 
$
(0.19
)
Diluted loss per share
$
(0.46
)
 
$
(0.19
)
Excluded outstanding shared-based awards having an anti-dilutive effect
1,316

 
796