Annual report pursuant to Section 13 and 15(d)

Income Taxes (Tables)

v2.4.0.6
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2012
Income Taxes [Abstract]  
Components of Deferred Tax Assets
                 
    December 31,  
    2012     2011  

Deferred tax assets:

               

Net operating loss carryforwards

  $ 81,127     $ 84,328  

Research credit carryforwards

    12,750       12,484  

Other, net

    4,190       3,883  

Deferred revenue

    5,749        
   

 

 

   

 

 

 

Total deferred tax assets

    103,816       100,695  

Valuation allowance

    (103,816     (100,695
   

 

 

   

 

 

 

Net deferred tax assets

  $     $  
   

 

 

   

 

 

 
Effective Tax Rate for Income Taxes Differs from The Federal Statutory Rate
                         
    Year Ending December 31,  
    2012     2011     2010  

Computed at 34%

  $ (5,134   $ (5,168   $ (2,265

State taxes

    (234     (228     (1,347

Book gains (losses) not currently benefited

    3,120       (1,264     844  

Other

    1,901       2,746       2,773  

Disallowed interest expense

    1,363       1,457        

Income from debt restructuring

    (1,615     2,462        

Revaluation of warrant liability

    600              
   

 

 

   

 

 

   

 

 

 

Total

  $ 1     $ 5     $ 5