Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2013

Payables and Accruals [Abstract]

Schedule of Accounts Payable and Accrued Liabilities

Accounts payable and accrued expenses consist of the following:

	As of December 31,
	2013		2012
Accounts payable	$	61,936	$	38,934
Accrued payroll and related costs	69,429		19,987
Accrued clinical trial expense	23,654		10,985
Accrued sales-related charges, deductions, and royalties	66,855		21,870
Other accrued expenses and liabilities	29,022		19,569
	$	250,896	$	111,345