Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2015

Accounts Payable and Accrued Expenses

Schedule of accounts payable and accrued expenses

        Accounts payable and accrued expenses consist of the following by major categories (in thousands):

	As of December 31,
	2015		2014
Accounts payable	$	7,502	$	6,995
Accrued expenses:
Sales related (royalties, rebates and fees)		52,832		38,095
Payroll related		31,437		28,019
Research related		7,635		7,500
Other		4,027		4,773
Total accrued expenses		95,931		78,387
Total accounts payable and accrued expenses	$	103,433	$	85,382