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Available-for-sale Securities
 12 Months Ended
Dec. 31, 2013
Available-for-sale Securities

Note 5. Available-for-sale Securities

The following is a summary of available-for-sale securities at December 31, 2013 (in thousands):

 

     December 31, 2013  
     Carrying Value      Gross
    Unrealized Gain    		     Fair Value  

Money market funds

    $ 8,650       $ —      $ 8,650   

United States government agency securities

      5,019         (1 )      5,018   

Corporate debt securities

      23,165         8        23,173   
  

 

 

     

 

 

    

 

 

  

Total available-for-sale securities

    $ 36,834       $ 7      $ 36,841   
  

 

 

     

 

 

    

 

 

  

 

The following is a summary of available-for-sale securities at December 31, 2012 (in thousands):

 

     December 31, 2012  
     Carrying Value      Gross
Unrealized Gain		      Fair Value  

Money market funds

    $ 10,268       $ —       $ 10,268   
  

 

 

     

 

 

     

 

 

  

Total available-for-sale securities

    $ 10,268       $ —       $ 10,268   
  

 

 

     

 

 

     

 

 

  

Available-for-sale securities at December 31, 2013 and 2012 consisted of the following by original contractual maturity (in thousands):

 

     December 31, 2013      December 31, 2012  
     Carrying
Value		      Fair Value      Carrying
Value		      Fair Value  

Due in one year or less

    $ 30,700       $ 30,701       $ 10,268       $ 10,268   

Due greater than one year and less than five years

      6,134         6,140         —         —   
  

 

 

     

 

 

     

 

 

     

 

 

  

Total available-for-sale securities

    $ 36,834       $ 36,841       $ 10,268       $ 10,268   
  

 

 

     

 

 

     

 

 

     

 

 

  

The Company recorded minimal gross realized gains from the sale or maturity of available-for-sale investments during the year ended December 31, 2011 and did not record any gross realized gains from the sale or maturity of available-for-sale investments during the years ended December 31, 2013 and 2012. The Company recorded minimal gross realized losses from the sale of available-for-sale investments during the year ended December 31, 2013, and did not record any gross realized losses during the years ended December 31, 2012 and 2011. The Company did not record losses on investments experiencing an other-than-temporary decline in fair value during the years ended December 31, 2013, 2012 and 2011.