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Accrued expenses and other current liabilities (Tables)
3 Months Ended
Mar. 31, 2014
Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities are comprised of the following (in thousands):

 

     March 31,
2014
     December 31,
2013
 

Salary and related expenses

   $ 6,650       $ 12,193   

Research and clinical trial costs

     1,304         1,311   

Accrued interest

     958         2,082   

Construction in progress

     370         342   

Other

     5,724         5,706   
  

 

 

    

 

 

 

Accrued expenses and other current liabilities

   $ 15,006       $ 21,634