Accrued expenses consisted of the following as of June 30, 2022 and December 31, 2021 (in thousands):
June 30, 2022
December 31, 2021
External research and preclinical development
$
12,454
8,274
Employee compensation and benefits
5,484
6,344
Professional fees
2,511
953
Facilities and other
30
53
Accrued expenses
20,479
15,624
No definition available.
Tabular disclosure of the components of accrued liabilities.