Accrued Expenses

3 Months Ended

Mar. 31, 2022

Payables and Accruals [Abstract]

Accrued Expenses

5. Accrued Expenses

Accrued expenses consist of the following (in thousands):

	March 31,		December 31,
	2022		2021
Compensation and benefits	$	490	$	1,601
Project expenses		1,465		704
Accrued milestone		6,000		6,000
Other		95		470
Total accrued expenses	$	8,050	$	8,775