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Cash and Cash Equivalents
12 Months Ended
Dec. 31, 2014
Cash and Cash Equivalents  
Cash and Cash Equivalents
4. Cash and Cash Equivalents

 

The following is a summary of cash and cash equivalents at December 31, 2013 and 2014 (in $000s):

 

    December 31,  
    2013     2014  
             
Cash   $ 4,670     $ 5,870  
Investments with original maturity of less than three months at the time of purchase     26,476       18,319  
Total cash and cash equivalents   $ 31,146     $ 24,189  

 

Investments with original maturity of less than three months at time of purchase are made up of money market funds and commercial paper.