Accrued Expenses

12 Months Ended

Dec. 31, 2021

Payables And Accruals [Abstract]

Accrued Expenses

5. Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	December 31,
	2021		2020
Research and development	$	1,849	$	802
Payroll, bonus and other employee-related expenses		1,615		1,315
Restructuring		—		258
Professional services		489		415
Other		141		77
Interest on debt		102		57
Total	$	4,196	$	2,924