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, 2022		December 31, 2021
Payroll and employee-related expenses	$	195	$	371
Third-party research and development expenses		1,082		3,195
Professional fees		232		677
Loan interest		—		227
Other		178		10
Total accrued expenses	$	1,687	$	4,480