Accrued Liabilities

3 Months Ended

Mar. 31, 2022

Payables and Accruals [Abstract]

Accrued Liabilities

5. Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	March 31,		December 31,
	2022		2021
Research and development expenses	$	4,938	$	5,723
Employee compensation and benefits		1,229		1,907
Professional services and other		1,576		807
Total accrued liabilities	$	7,743	$	8,437