Accrued Expenses

9 Months Ended

Sep. 30, 2019

Payables and Accruals [Abstract]

Accrued Expenses

Accrued Expenses

Accrued expenses consisted of the following:

	As of September 30, 2019		As of December 31, 2018
Accrued development milestones payable (Note 13)	$	13,500	$	—
Accrued employee compensation and benefits	4,219		108
Accrued clinical trial costs	10,126		6,753
Accrued professional fees	6,625		1,636
Other	1,174		285
	$	35,644	$	8,782