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Cash, Cash Equivalents, and Short-Term Investments
 6 Months Ended
Jun. 30, 2016
Cash and Cash Equivalents [Abstract]  
Cash, Cash Equivalents, and Short-Term Investments
2. Cash, Cash Equivalents, and Short-Term Investments

Cash, cash equivalents and short-term investments consisted of the following (in thousands):

 

     June 30, 2016  
     Amortized
Cost		      Unrealized
Gain		      Unrealized
(Loss)		      Estimated Fair
Value		  

Cash

    $ 2,313       $ —         $ —         $ 2,313   

Money market funds

      5,626         —           —           5,626   

U.S. government treasury bills

      2,407         —           —           2,407   

Corporate bonds and commercial paper

      8,995         —           —           8,995   
  

 

 

     

 

 

     

 

 

     

 

 

  
   $ 19,341       $ —         $ —         $ 19,341   
  

 

 

     

 

 

     

 

 

     

 

 

  

Reported as:

            

Cash and cash equivalents

             $ 7,939   

Short-term investments

               11,402   
           

 

 

  

Total cash, cash equivalents and short-term investments

             $ 19,341   
           

 

 

  

As of June 30, 2016, the Company’s cash equivalents and short-term investments had a weighted-average time to maturity of less than one year and the Company has the ability to hold its investments through their maturity dates. There have been no significant realized gains or losses on investments for the period presented.