Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2013

Accounts Payable and Accrued Expenses

Schedule of accounts payable and accrued expenses

Accrued expenses consist of the following by major category (in thousands):

	As of December 31, 2013
	2013		2012
Accounts payable	$	6,708	$	10,203
Accrued expenses:
Royalties and rebates		48,213		37,264
Payroll related		26,930		26,013
Research related		5,780		5,057
Other		4,613		4,651
Total accrued expenses		85,536		72,985
Total accounts payable and accrued expenses	$	92,244	$	83,188