Accrued Expenses and Other Current Liabilities (Tables)

9 Months Ended

Sep. 30, 2013

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Components of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

	September 30, 2013		December 31, 2012
Clinical and preclinical trials	$	31,722	$	25,150
Payroll and payroll-related		12,597		13,439
Royalties payable		4,659		2,296
Interest payable		3,396		1,698
Accrued professional services and other current liabilities		9,381		6,368
Total	$	61,755	$	48,951