Accounts Payable and Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2013

Payables and Accruals [Abstract]

Schedule of Accounts Payable and Accrued Liabilities

Accounts payable and accrued expenses consist of the following:

	March 31,		December 31,
	2013		2012
Accounts payable	$	24,729	$	38,934
Accrued payroll and related costs	32,385		19,987
Accrued clinical trial expense	18,197		10,985
Accrued sales-related charges, deductions, and royalties	47,735		21,870
Other accrued expenses and liabilities	22,367		19,569
	$	145,413	$	111,345