Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2021

Payables And Accruals [Abstract]

Schedule of Accrued Expenses

	September 30,		December 31,
	2021		2020
	(in thousands)
Accrued research and development expenses	$	6,406	$	3,409
Accrued payroll and related expenses		963		1,350
Accrued professional fees		446		924
Accrued other		151		160
	$	7,966	$	5,843