Accrued Expenses

3 Months Ended

Mar. 31, 2022

Payables And Accruals [Abstract]

Accrued Expenses

5. Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	March 31, 2022		December 31, 2021
Research and development expenses	$	3,374	$	1,849
Payroll other employee-related expenses		528		1,615
Professional services		380		489
Other		245		141
Interest on debt		104		102
Total	$	4,631	$	4,196