Accrued expenses

6 Months Ended

Jun. 30, 2022

Accrued expenses

Accrued expenses

5. Accrued expenses

Accrued expenses as of June 30, 2022 and December 31, 2021 consist of the following:

	As of June 30,		As of December 31,
	2022		2021
	(in thousands)
Employee compensation costs	$	2,800	$	5,022
Research and development costs		3,662		3,719
Professional services		344		727
Accrued goods and services		379		1,482
Total	$	7,185	$	10,950