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Cash, Cash Equivalents, and Short-Term Investments
 3 Months Ended
Mar. 31, 2017
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):

 

     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  
           

 

 

  

As of March 31, 2017, the Company’s cash equivalents and short-term investments had a weighted-average time to maturity of less than six months, 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.