Accrued expenses (Tables)

3 Months Ended

Mar. 31, 2021

Accrued expenses

Schedule of accrued expenses

Accrued expenses as of March 31, 2021 and December 31, 2020 consist of the following:

	As of March 31,		As of December 31,
	2021		2020
	(in thousands)
Research and development costs	$	6,134	$	6,624
Employee compensation costs		2,963		5,857
Professional services		1,279		1,228
Accrued goods and services		159		496
Total	$	10,535	$	14,205