Accrued expenses

6 Months Ended

Jun. 30, 2020

Accrued expenses

Accrued expenses

5. Accrued expenses

Accrued expenses as of June 30, 2020 and December 31, 2019 consist of the following:

	As of June 30,		As of December 31,
	2020		2019
	(in thousands)
Research and development costs	$	10,462	$	13,248
Employee compensation costs		4,492		5,733
Accrued goods and services		1,764		1,386
Professional services		1,333		897
Other		103		252
Total	$	18,154	$	21,516