Balance Sheet Items (Tables)

3 Months Ended

Mar. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of prepaid expenses and other current asset

Prepaid expenses and other current asset consist of the following as of March 31, 2022 and December 31, 2021:

	March 31,		December 31,
	2022		2021
Prepaid expenses	$	643	$	949
Prepaid research and development costs	622		632
Other current assets	691		553
Total	$	1,956	$	2,134

Summary of property and equipment

Property and equipment, net, consists of the following as of March 31, 2022 and December 31, 2021:

	March 31,		December 31,
	2022		2021
Computer equipment and software	$	162	$	156
Furniture and fixtures	203		193
Lab equipment	751		748
Leasehold improvements	840		840
Property and equipment	1,956		1,937
Less accumulated depreciation	(932)		(824)
Property and equipment—net	$	1,024	$	1,113

Schedule of accrued liabilities

Accrued liabilities as of March 31, 2022 and December 31, 2021 consist of the following:

	March 31,		December 31,
	2022		2021
Accrued other liabilities	$	2,249	$	748
Accrued clinical trial liability	985		841
	$	3,234	$	1,589