Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2021

Payables and Accruals [Abstract]

Schedule of Accrued Expenses

Accrued expenses consisted of the following:

(in thousands)	September 30, 2021		December 31, 2020
Accrued employee compensation and benefits	$	4,759	3,756
Accrued external research and development expenses	2,977		3,150
Accrued professional fees	899		627
Other	439		485
	$	9,074	$	8,018