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Accrued Expenses and Other Liabilities
 12 Months Ended
Dec. 31, 2011
Accrued Expenses and Other Liabilities

(6)    Accrued Expenses and Other Liabilities

Accrued expenses consist of the following at December 31, 2011 and 2010:

 

     2011      2010  
     (in thousands)  

Payroll and payroll-related expenses

    $ 1,120       $ 1,631   

Research and development expenses

      1,132         340   

Income taxes payable

      —           585   

All other

      1,781         572   
  

 

 

     

 

 

  
   $ 4,033       $ 3,128