Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2021

Payables And Accruals [Abstract]

Schedule of Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	DECEMBER 31, 2021		DECEMBER 31, 2020
Accrued employee compensation	$	5,142	$	5,040
Accrued external research and development costs		2,420		1,475
Accrued professional services and consulting		1,523		902
Accrued facilities costs		190		846
Other expenditures		428		607
	$	9,703	$	8,870