Accrued Expenses

3 Months Ended

Mar. 31, 2022

Accrued Liabilities, Current [Abstract]

Accrued Expenses

8. Accrued Expenses

Accrued expenses consist of the following as of March 31, 2022 and December 31, 2021 (in thousands):

	March 31, 2022		December 31, 2021
Research and development expenses	$	16,169	$	15,169
Payroll and payroll-related		2,287		6,033
Professional fees		1,977		1,417
Other		344		352
Accrued expenses	$	20,777	$	22,971