Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2021

Other Income and Expenses [Abstract]

Schedule of Accrued Expenses

Accrued expenses consisted of the following

(in thousands)	December 31, 2021		December 31, 2020
Accrued employee compensation and benefits	$	5,417	$	3,756
Accrued external research and development expenses	1,507		3,150
Accrued professional fees	632		627
Other	314		485
	$	7,870	$	8,018