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Organization, Basis of Presentation and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2013
Accounting Policies [Abstract]  
Net Income (Loss) Per Share

For purposes of this calculation, common stock subject to repurchase by the Company and options are considered to be common stock equivalents and are only included in the calculation of diluted earnings per share when their effect is dilutive.

 

     Year Ended December 31,   
     2013        2012        2011   
     (in thousands, except per share amounts)   

Numerator:

       

Net loss available to common stockholders

      ($27,953 )      ($25,463 )      ($159,606 ) 
  

 

 

    

 

 

    

 

 

  
      

Denominator:

       

Weighted average shares outstanding—basic

      36,982        35,849        35,617   
      

Potential common shares—options (treasury stock method)

      -            -            -       
  

 

 

    

 

 

    

 

 

  
      

Weighted average shares outstanding—diluted

      36,982        35,849        35,617   
  

 

 

    

 

 

    

 

 

  
      

Shares excluded (anti-dilutive)

      2        174        126   
  

 

 

    

 

 

    

 

 

  
      

Shares excluded due to an exercise price greater than weighted average stock price for the period

      2,150        1,453        1,561   
  

 

 

    

 

 

    

 

 

  
      

Net loss per common share:

       

Basic

      ($0.76 )      ($0.71 )      ($4.48 ) 
  

 

 

    

 

 

    

 

 

  

Diluted

    ($ 0.76 )    ($ 0.71 )    ($ 4.48 )