ACCRUED EXPENSES (Tables)

6 Months Ended

Jun. 30, 2012

Components Of Accrued Expenses

Accrued expenses consisted of the following:

	June 30, 2012		December 31, 2011
Clinical and preclinical trials	$	29,172	$	21,453
Payroll and payroll-related		8,450		1,112
Other professional services		7,322		1,449
Accrued interest on Convertible Notes		1,924		—
Total	$	46,868	$	24,014