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Debt (Tables)
 9 Months Ended
Sep. 30, 2013
Debt

Debt at September 30, 2013, consisted of the following (in thousands):

 

     September 30, 2013  
     Principal     Unamortized
Discount		      Total  

Comerica - Revolving Line of Credit, due 2014

    $ 3,638        —         $ 3,638   
  

 

 

    

 

 

     

 

 

  

Total debt

      3,638        —           3,638   

Less: debt - current

      (3,638 )      —           (3,638 ) 
  

 

 

    

 

 

     

 

 

  

Debt - non-current

    $ —          —         $ —     
  

 

 

    

 

 

     

 

 

  

Debt at December 31, 2012, consisted of the following (in thousands):

 

     December 31, 2012  
     Principal     Unamortized
Discount		     Total  

Comerica - Growth Capital Loan A, due 2015

    $ 4,583      $ (49 )    $ 4,534   

Comerica - Revolving Line of Credit, due 2014

      3,190        —          3,190   
  

 

 

    

 

 

    

 

 

  

Total debt

      7,773        (49 )      7,724   

Less: debt - current

      (4,857 )      29        (4,828 ) 
  

 

 

    

 

 

    

 

 

  

Debt - non-current

    $ 2,916      $ (20 )    $ 2,896   
  

 

 

    

 

 

    

 

 

  
Expected Principal and Interest Payments on Debt

Principal and interest payments on debt at September 30, 2013, are expected to be as follows for each of the following five years (in thousands):

 

Year ended December 31,

  

2013 (remaining three months)

    $ 40   

2014 (1)

      3,740   

2015

      —     

2016

      —     

2017

      —     

 

(1) Included outstanding revolving line of credit balance based on the Company’s obligation to repay the outstanding revolving line of credit balance at the end of the revolving line of credit term.