Accrued Expenses
 12 Months Ended
Dec. 31, 2015
Text Block [Abstract]  
Accrued Expenses

6. Accrued Expenses

Accrued expenses consist of the following:

 

     As of December 31,  
     2015      2014  
     (in thousands)  

Compensation and related taxes

    $ 6,062       $ 4,819   

Income and other taxes

      483         444   

Professional fees

      530         496   

Other

      1,762         1,720   
  

 

 

     

 

 

  

Total

    $ 8,837       $ 7,479