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Earnings (Loss) Per Share
3 Months Ended
Mar. 31, 2012
Earnings Per Share [Abstract]  
Earnings (Loss) Per Share
Earnings (Loss) Per Share
Basic earnings (loss) per share is computed by dividing net income (loss) available to common stockholders by the weighted-average number of common shares outstanding. Diluted earnings (loss) per share is computed by dividing net income (loss) available to common stockholders by the weighted-average number of common shares plus the effect of dilutive potential common shares outstanding during the period. Diluted earnings (loss) per share for the three months ended March 31, 2012 and 2011 excludes the impact of approximately 1.3 million and 15.8 million common stock equivalents, respectively, since the effect of including these securities would be anti-dilutive. The following table sets forth the computation of basic and diluted earnings (loss) per share (shares in thousands):
 
 
Three Months Ended
 
March 31,
 
2012
 
2011
Numerator:
 
 
 
Net income (loss)
$
13

 
$
(20
)
Convertible debt interest—1 7/8 percent notes

 

Net income (loss) available to common stockholders
$
13

 
$
(20
)
Denominator:
 
 
 
Denominator for basic earnings (loss) per share—weighted-average common shares
63,131

 
60,850

Effect of dilutive securities:
 
 
 
Employee stock options and warrants
709

 

Convertible subordinated notes—1  7/8 percent
1,015

 

Convertible subordinated notes—4 percent
10,794

 

Restricted stock units
617

 

Denominator for diluted earnings (loss) per share—adjusted weighted-average common shares
76,266

 
60,850

 
 
 
 
Basic earnings (loss) per share
$
0.21

 
$
(0.34
)
Diluted earnings (loss) per share
$
0.17

 
$
(0.34
)