Accrued Expenses

9 Months Ended

Sep. 30, 2019

Payables and Accruals [Abstract]

Accrued Expenses

Accrued Expenses

Accrued expenses consist of the following (in thousands):

	September 30, 2019		December 31, 2018
Accrued compensation	$	13,494	$	20,843
Accrued research and development costs	25,036		14,777
Accrued professional fees	5,144		5,441
Accrued other	3,076		1,086
Total accrued expenses	$	46,750	$	42,147