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Accrued expenses and other current liabilities
3 Months Ended
Mar. 31, 2015
Accrued expenses and other current liabilities

4. Accrued expenses and other current liabilities

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

 

     March 31,
2015
     December 31,
2014
 

Salary and related expenses

   $ 7,386       $ 14,928   

Accrued interest

     1,022         2,396   

Construction in progress

     579         1,343   

Other

     3,394         7,539   
  

 

 

    

 

 

 

Accrued expenses and other current liabilities

$ 12,381    $ 26,206