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Fair Value of Financial Instruments
12 Months Ended
Dec. 31, 2017
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments
  (5) Fair Value of Financial Instruments

 

The following tables present our financial assets and liabilities that are measured at fair value on a recurring basis and are categorized using the fair value hierarchy. The fair value hierarchy has three levels based on the reliability of the inputs used to determine fair value.

 

          Fair Value Measurements at December 31, 2017  
          Quoted Prices in     Significant Other     Significant  
          Active Markets for     Observable     Unobservable  
          Identical Assets     Inputs     Inputs  
    Total     (Level 1)     (Level 2)     (Level 3)  
Assets:                        
Short-term investments   $ 69,899     $     $ 69,899     $  
Foreign currency forward exchange contracts accounted for using hedge accounting     26               26          
Foreign currency forward exchange contracts not accounted for using hedge accounting     119             119        
                                 
    $ 70,044     $     $ 70,044     $  
Liabilities:                                
Interest rate swap   $ 529     $     $ 529     $  

 

          Fair Value Measurements at December 31, 2016  
          Quoted Prices in     Significant Other     Significant  
          Active Markets for     Observable     Unobservable  
          Identical Assets     Inputs     Inputs  
    Total     (Level 1)     (Level 2)     (Level 3)  
Assets:                        
Short-term investments   $ 94,202     $     $ 94,202     $  
                                 
Liabilities:                                
Foreign currency forward exchange contracts accounted for using hedge accounting   $ 181     $     $ 181     $  
Foreign currency forward exchange contracts not accounted for using hedge accounting     418             418        
Interest rate swap     908             908        
    $ 1,507     $     $ 1,507     $  

 

The carrying amount of cash and cash equivalents including money market funds, short-term investments, accounts receivable, other receivables, accounts payable and accrued expenses approximates fair value due to the short terms to maturity of these instruments. The carrying amount of loans payable approximates fair value as the variable interest rates on the Company’s indebtedness approximate current market rates.

 

Foreign currency forward exchange contracts are valued based on quotations from financial institutions and the value of interest rate swaps are the discounted net present value of the swaps using third party quotes from financial institutions.