Accrued Expenses
 6 Months Ended
Jun. 30, 2014
Payables And Accruals [Abstract]  
Accrued Expenses

6. ACCRUED EXPENSES

Accrued expenses as of June 30, 2014, and December 31, 2013, consisted of the following (in thousands):

 

     As of June 30,
2014		      As of December 31,
2013		  

Accrued expenses

    $ 1,834       $ 1,087   

Accrued clinical trial costs

      765         709   

Accrued compensation and benefits

      935         612   
  

 

 

     

 

 

  

Total accrued expenses

    $ 3,534       $ 2,408