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Share-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2012
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]  
Schedule Of Stock-Based Compensation By Expense Category
$XXX.XXX $XXX.XXX
     Three Months Ended
March  31,		  
     2012      2011  
     (In thousands)  

Research and development

    $ 157       $ 323   

Selling, general and administrative

      720         1,288   
  

 

 

     

 

 

  

Total non-cash compensation expense related to share-based compensation included in operating expense

    $ 877       $ 1,611   
  

 

 

     

 

 

  
Schedule Of Unvested Stock Option Awards
     Number of
Shares		     Weighted-
Average
Grant  Date
Fair Value
Per Share		  
     (Shares in thousands)  

Unvested at December 31, 2011

      306      $ 9.44   

Granted

      —          —     

Vested

      —          —     

Forfeited

      (300 )     9.23   
  

 

 

    

 

 

  

Unvested at March 31, 2012

      6      $ 20.59   
  

 

 

    

 

 

  
Stock Options [Member]
  
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]  
Schedule Of Stock Option Activity
     Number of
Shares		     Weighted-
Average
Exercise
Price Per Share		      Weighted-
Average
Remaining
Contractual
Term (in yrs)		      Aggregate
Intrinsic
Value of
In-the-
Money
Options		  
     (In thousands, except weighted-average data)  

Outstanding at December 31, 2011

      3,648      $ 7.98         7.81       $ —     

Granted

      747        2.28         —           —     

Exercised

      —          —           —           —     

Cancelled

      (426 )     8.74         —           —     
  

 

 

    

 

 

     

 

 

     

 

 

  

Outstanding at March 31, 2012

      3,969      $ 6.88         7.91       $ 2   
  

 

 

    

 

 

     

 

 

     

 

 

  

Exercisable at March 31, 2012

      1,584      $ 8.26         5.90       $ —     
  

 

 

    

 

 

     

 

 

     

 

 

  
Schedule Of Weighted-Average Key Assumptions Used In Determining Fair Value Of Stock Option Awards
     Three Months Ended
March  31,		  
     2012     2011  

Weighted-average volatility

      94 %     83 %

Weighted-average risk-free interest rate

      1.1 %     2.6 %

Weighted-average expected term in years

      5.7        3.8   

Dividend yield

      0.0 %     0.0 %

Weighted-average grant date fair value

    $ 1.68      $ 5.94   
Non-Vested Stock Option Awards [Member]
  
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]  
Schedule Of Non-Vested Stock Option Awards That Contain Performance Or Market Conditions
     Number of
Shares		     Weighted-Average
Grant Date
Fair Value
Per Share		  
     (Shares in thousands)  

Unvested at December 31, 2011

      811      $ 8.75   

Granted

      1,293        2.12   

Vested

      (100 )     11.11   

Forfeited

      (217 )     9.03   
  

 

 

    

 

 

  

Unvested at March 31, 2012

      1,787      $ 3.79   
Stock Options That Contain Performance And Market-Based Conditions [Member]
  
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]  
Schedule Of Stock Option Activity
      Number of
Shares		     Weighted-
Average
Exercise
Price Per Share		      Weighted-
Average
Remaining
Contractual
Term (in yrs)		      Aggregate
Intrinsic
Value of
In-the-Money
Options		  
     (In thousands, except weighted-average data)  

Outstanding at December 31, 2011

      440      $ 9.75         9.07       $ —     

Granted

      —          —           —           —     

Exercised

      —          —           —           —     

Cancelled

      (250 )     9.23         —           —     
  

 

 

    

 

 

     

 

 

     

 

 

  

Outstanding at March 31, 2012

      190      $ 10.43         8.80       $ —     
  

 

 

    

 

 

     

 

 

     

 

 

  

Exercisable at March 31, 2012

      40      $ 13.81         7.66       $ —