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Accrued Expenses and Other Liabilities
 12 Months Ended
Dec. 31, 2012
Accrued Expenses and Other Liabilities

(6)    Accrued Expenses and Other Liabilities

Accrued expenses consist of the following at December 31, 2012 and 2011:

 

     2012      2011  
     (in thousands)  

Payroll and payroll-related expenses

    $ 2,065       $ 1,120   

Research and development expenses (1)

      10         1,132   

All other

      3,149         1,781   
  

 

 

     

 

 

  
   $ 5,224       $ 4,033   
  

 

 

     

 

 

  

 

(1) Research and development accruals are based on the timing of clinical trial activities and related progress payments.