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Cash, Cash Equivalents, and Short-Term Investments (Tables)
 3 Months Ended
Mar. 31, 2017
Cash and Cash Equivalents [Abstract]  
Summary of Cash, Cash Equivalents and Short-Term Investments

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

 

     March 31, 2017  
     Amortized
Cost		      Unrealized
Gain		      Unrealized
(Loss)		      Estimated Fair
Value		  

Cash

    $ 654      $ —        $ —        $ 654  

Money market funds

      5,387        —          —          5,387  

U.S. government treasury bills

      601        —          —          601  

Corporate bonds and commercial paper

      1,702        —          —          1,702  
  

 

 

     

 

 

     

 

 

     

 

 

  
   $ 8,344      $ —        $ —        $ 8,344  
  

 

 

     

 

 

     

 

 

     

 

 

  

Reported as:

            

Cash and cash equivalents

             $ 6,041  

Short-term investments

               2,303  
           

 

 

  

Total cash, cash equivalents and short-term investments

             $ 8,344