Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2018

Payables and Accruals [Abstract]

Summary of Accrued Expenses

Accrued expenses consisted of the following as of December 31, 2018 and 2017 (in thousands):

	2018		2017
Clinical and investigator-sponsored trial expenses	$	6,573	$	5,019
Employee compensation and related expenses	4,216		4,432
Restructuring expenses	660		—
Manufacturing expenses	458		2,637
Other	945		1,802
Total accrued expenses	$	12,852	$	13,890