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Other Accrued Expenses
 6 Months Ended
Jun. 30, 2011
Other Accrued Expenses [Abstract]  
Other Accrued Expenses
8. Other Accrued Expenses
Other accrued expenses consisted of the following (in thousands):
                 
    June 30,     December 31,  
    2011     2010  
Accrued compensation
  $ 1,610     $ 1,557  
Accrued professional fees
    689       798  
Other
    714       803  
 
           
Total
  $ 3,013     $ 3,158