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Basic and Diluted Net Loss Per Share (Tables)
 6 Months Ended
Jun. 30, 2013
Earnings Per Share [Abstract]  
Reconciliation of the numerator and denominator used in computing the basic and diluted net income (loss) per share
The following represents a reconciliation of the numerator and denominator used in computing basic and diluted net loss per share available to common stockholders for the three and six months ended June 30, 2013 and 2012:
 
    
 
 
Three Months Ended
 
Six Months Ended
 
 
June 30,
 
June 30,
 
 
2013
 
2012
 
2013
 
2012
Net loss (numerator)
 
 

 
 

 
 
 
 
Net loss from continuing operations
 
$
(12,383
)
 
$
(10,912
)
 
$
(24,670
)
 
$
(7,044
)
Net loss from discontinued operations
 
$
(592
)
 
$
(1,677
)
 
(1,458
)
 
$
(3,726
)
Net loss
 
(12,975
)
 
(12,589
)
 
(26,128
)
 
(10,770
)
Shares (denominator)
 
 
 
 
 
 
 
 
Weighted average basic common shares outstanding
 
85,016

 
92,767

 
84,813

 
92,625

Weighted average diluted common shares outstanding
 
85,016

 
92,767

 
84,813

 
92,625

Basic and diluted per share amounts
 
 

 
 

 
 
 
 
Basic net loss per share from continuing operations
 
$
(0.14
)
 
$
(0.12
)
 
$
(0.29
)
 
$
(0.08
)
Basic net loss per share from discontinued operations
 
$
(0.01
)
 
$
(0.02
)
 
$
(0.02
)
 
$
(0.04
)
Total basic net loss per share
 
$
(0.15
)
 
$
(0.14
)
 
$
(0.31
)
 
$
(0.12
)
 
 
 
 
 
 
 
 
 
Diluted net loss per share from continuing operations
 
$
(0.14
)
 
$
(0.12
)
 
$
(0.29
)
 
$
(0.08
)
Diluted net loss per share from discontinued operations
 
$
(0.01
)
 
$
(0.02
)
 
$
(0.02
)
 
$
(0.04
)
Diluted net loss per share
 
$
(0.15
)
 
$
(0.14
)
 
$
(0.31
)
 
$
(0.12
)