Accrued Expenses and Other Current Liabilities

12 Months Ended

Dec. 31, 2021

Payables and Accruals [Abstract]

Accrued Expenses and Other Current Liabilities

6. Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following (in thousands):

	December 31, 2021		December 31, 2020
Accrued external research and development expenses	$	6,315	$	7,035
Accrued payroll and related expenses		5,884		3,918
Accrued professional fees		909		1,066
Accrued other		1,242		222
	$	14,350	$	12,241