Accounts Payable and Accrued Expenses

12 Months Ended

Dec. 31, 2012

Payables and Accruals [Abstract]

Accounts Payable and Accrued Expenses

Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following:

	As of December 31,
	2012		2011
Accounts payable	$	38,934	$	27,736
Accrued payroll and related costs	19,987		42,835
Accrued clinical trial expense	10,985		9,850
Accrued sales-related deductions and royalties	21,870		3,947
Other accrued expenses and liabilities	19,569		11,257
	$	111,345	$	95,625