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Investments and Fair Value Measurements (Tables)
 6 Months Ended
Jun. 30, 2015
Text Block [Abstract]  
Schedule of Investments

The following table is a summary of the Company’s investments:

 

     June 30, 2015      December 31, 2014  
     Held-to-
Maturity		      Held-to-
Maturity		  

Federal agency debt instruments

    $ 21,247       $ 13,990   
  

 

 

     

 

 

  
Schedule of Unrealized Gains, Losses and Fair Value of Investments

The following table summarizes unrealized gains, losses and fair value of investments:

 

     June 30, 2015      December 31, 2014  
     Held-to-
Maturity		      Held-to-
Maturity		  

Cost/amortized cost

    $ 21,247       $ 13,990   

Gross unrealized gains

      83         112   

Gross unrealized losses

      (573 )       (386 ) 
  

 

 

     

 

 

  

Fair value

    $ 20,757       $ 13,716   
  

 

 

     

 

 

  
Schedule of Maturity Profile of Investments

The following table sets forth the maturity profile of investments; however these investments may be called prior to maturity date:

 

     June 30, 2015      December 31, 2014  
     Held-to-
Maturity		      Held-to-
Maturity		  

Due within one year

    $ —        $ —    

Due one year through five years

      9,376         1,409   

Due five years through ten years

      825         350   

Due over ten years

      11,046         12,231   
  

 

 

     

 

 

  

Total

    $ 21,247       $ 13,990