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

12 Months Ended

Dec. 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:

	December 31,
	2015		2014
Clinical and preclinical	$	48,975	$	31,069
Taxes payable		32,565		2,106
Payroll and payroll-related		29,215		33,272
Accounts payable		22,696		10,492
Royalties payable		20,665		13,582
Other payable to licensor		17,500		5,000
Accrued professional services and other current liabilities		14,282		8,909
Interest payable		305		1,698
Total	$	186,203	$	106,128