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Net Loss Per Share
 9 Months Ended
Sep. 30, 2013
Earnings Per Share [Abstract]  
Net Loss Per Share
Net Loss Per Share
The calculations of net loss per share were as follows:
   
Three Months Ended September 30,
 
Nine Months Ended September 30,
   
2013
 
2012
 
2013
 
2012
 
(In thousands except per share data)
(Unaudited)
Basic and Diluted:
   
 
   
 
   
 
   
Net loss
$
(19,430
)
 
$
(8,757
)
 
$
(59,492
)
 
$
(28,554
)
Weighted average common shares outstanding
21,494

 
20,999

 
21,245

 
20,935

Net loss per share
$
(0.90
)
 
$
(0.42
)
 
$
(2.80
)
 
$
(1.36
)

Basic and diluted average common shares outstanding for purposes of computing net loss per share includes outstanding common shares and vested deferred stock units (DSUs).
If a consolidated or equity method partner company has dilutive stock options, unvested restricted stock, DSUs or warrants, diluted net loss per share is computed by first deducting the income attributable to the potential exercise of the dilutive securities of the partner company from net loss. Any impact is shown as an adjustment to net loss for purposes of calculating diluted net loss per share.
The following potential shares of common stock and their effects on net loss were excluded from the diluted net loss per share calculation because their effect would be anti-dilutive:
•
For the three and nine months ended September 30, 2013 and 2012, options to purchase 2.3 million and 3.1 million shares of common stock, respectively, at prices ranging from $3.93 to $18.80 for both periods, were excluded from the calculations.
•
For the three and nine months ended September 30, 2013 and 2012, unvested restricted stock units, performance stock units and DSUs convertible into 0.3 million and 0.2 million shares of stock, respectively, were excluded from the calculations.
•
For the three and nine months ended September 30, 2013, 3.0 million shares of common stock representing the effect of the assumed conversion of the 2018 Debentures, were excluded from the calculation.
•
For the three and nine months ended September 30, 2012, 2.8 million shares of common stock representing the effect of the assumed conversion of the 2014 Debentures, were excluded from the calculations.