Annual report pursuant to Section 13 and 15(d)

Income Taxes (Tables)

v2.4.0.8
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2013
Income Tax Disclosure [Abstract]  
Schedule of Reconciliation of Income Taxes at Statutory Federal Income Tax Rate to Net Income Taxes

A reconciliation of income taxes at the statutory federal income tax rate to net income taxes included in the accompanying statements of operations is as follows (in thousands):

 

     2013     2012     2011  

U.S. federal taxes (benefit) at statutory rate

   $ (9,592 )   $ (24,186 )   $ (8,722 )

State federal income tax benefit

     (1,794 )     (1,160 )     (1,995 )

Unutilized (utilized) net operating losses

     9,747       7,455       11,731  

Stock-based compensation

     486       288       223  

Research and development credits

     (1,416 )     —         (885 )

Tax assets not benefited

     1,926       143       1,105  

Nondeductible warrant expense

     790       17,414       (1,482 )

Other

     55       46       25  
  

 

 

   

 

 

   

 

 

 

Total

   $ 202     $ —       $ —    
  

 

 

   

 

 

   

 

 

 
Schedule of Significant Components of Net Deferred Tax Assets

The tax effects of temporary differences that give rise to significant components of the net deferred tax assets are as follows (in thousands):

 

     December 31,  
     2013     2012  

Capitalized start-up costs

   $ 179     $ 209  

Net operating loss carryforwards

     31,988       44,769  

Research and development credits

     5,427       3,513  

Deferred stock compensation

     3,327       2,115  

Deferred revenue

     21,151        —     

Other (accruals, reserves, depreciation)

     1,069       958  
  

 

 

   

 

 

 

Total deferred tax assets

     63,141       51,564  

Less: Valuation allowance

     (63,141 )     (51,564 )
  

 

 

   

 

 

 
   $ —       $ —    
  

 

 

   

 

 

 
Schedule of Activity Related to Unrecognized Tax Benefits

The following table summarizes the activity related to our gross unrecognized tax benefits:

 

(in thousands)

   2013      2012  

Gross unrecognized tax benefits at January 1,

   $ 1,100      $ 1,100  

Gross increases (decreases) related to prior year tax positions

     —          —    

Gross increases (decreases) related to current year tax positions

     —          —    

Settlements

     —          —    

Expiration of the statute of limitations for the assessment of taxes

     —          —    
  

 

 

    

 

 

 

Gross unrecognized tax benefits at December 31,

   $ 1,100      $ 1,100