Prepaid Expenses and Other Current Assets

12 Months Ended

Dec. 31, 2021

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Prepaid Expenses And Other Current Assets

4.Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following (in thousands):

	As of December 31,
	2021		2020
Research and development	$	1,463	$	357
Prepaid insurance		661		1,378
Other		343		518
Total	$	2,467	$	2,253