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Accrued Expenses and Other Current Liabilities
12 Months Ended
Dec. 31, 2011
Accrued Expenses and Other Current Liabilities [Abstract]  
Accrued Expenses and Other Current Liabilities
8. Accrued Expenses and Other Current Liabilities
 
Accrued expenses and other current liabilities at December 31, 2011 and 2010 are summarized below (in thousands).
 
 
 
2011
  
2010
 
Professional fees
 $286  $423 
Research and development costs
  4,177   2,031 
Wages, bonuses and employee benefits
  227   158 
Income taxes
  -   - 
Other
  97   52 
Total
 $4,787  $2,664