Accounts Payable, Accrued Expenses and Other Current Liabilities (Tables)

3 Months Ended

Mar. 31, 2015

Payables and Accruals [Abstract]

Components of Accounts Payable, Accrued Expenses and Other Current Liabilities

Accounts payable, accrued expenses and other current liabilities consisted of the following:

	March 31, 2015		December 31, 2014
Clinical and preclinical	$	32,381	$	31,069
Royalties payable		13,554		13,582
Accrued professional services and other current liabilities		12,567		8,909
Accounts payable		12,212		10,492
Payroll and payroll-related		11,166		33,272
Other payable to licensor		5,949		5,000
Interest payable		3,396		1,698
Current portion of long-term debt		738		4
Taxes payable		2		2,106
Total	$	91,965	$	106,132