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OTHER ACCRUED LIABILITIES
12 Months Ended
Dec. 31, 2011
OTHER ACCRUED LIABILITIES [Abstract]  
OTHER ACCRUED LIABILITIES
7. OTHER ACCRUED LIABILITIES

Other accrued liabilities at December 31, 2011 and 2010 include the following:
 
   
December 31,
 
   
2011
   
2010
 
Amounts due to Contract Research Organizations and other contractual agreements
 
$
1,234,875
   
$
1,497,441
 
Accrued payroll and related benefits
   
632,425
     
460,614
 
Accrued professional fees
   
137,400
     
138,900
 
Other
   
27,234
     
27,234
 
Total
 
$
2,031,934
   
$
2,124,189