Accrued Expenses

9 Months Ended

Sep. 30, 2017

Accrued Expenses

Accrued expenses

6.  Accrued Expenses

The following table presents the components of accrued expenses (in thousands):

		December 31,		September 30,
	2016		2017
		(as revised)
Research and development	$	36,759	$	40,460
Salaries, bonuses and other compensation		20,654		29,699
Accrued inventory		—		27,032
Accrued royalty		2,059		4,116
Accrued other		9,228		21,769
Total accrued expenses	$	68,700	$	123,076