Quarterly report pursuant to Section 13 or 15(d)

Accounts Payable and Accrued Expenses

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Accounts Payable and Accrued Expenses
 9 Months Ended
Sep. 30, 2011
Accounts Payable and Accrued Expenses  
Accounts Payable and Accrued Expenses
8.
Accounts Payable and Accrued Expenses
 
   
September 30,
2011
    
December 31,
2010
  
             
Trade payables
   $ 2,039,922     $ 489,527  
Accrued expenses
     25,400       18,466  
Accrued research and development contract costs
     1,706,650       1,239,233  
Payroll liabilities
     133,488       73,674  
                 
    $ 3,905,460     $ 1,820,900