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Accrued expenses and other current liabilities
3 Months Ended
Mar. 31, 2014
Accrued expenses and other current liabilities

2. 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