Balance Sheet Components

12 Months Ended

Dec. 31, 2021

Disclosure Of Balance Sheet Components [Abstract]

Balance Sheet Components

4. Balance Sheet Components

Prepaid Expenses and Other Current Assets

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

	December 31,
	2021		2020
Prepaid insurance	$	1,282	$	1,236
Prepaid research and development costs		3,002		1,039
Other prepaid expenses		231		527
Other receivables		—		3
Other current assets		463		—
Total prepaid expenses and other current assets	$	4,978	$	2,805

Property and Equipment, Net

Property and equipment, net consisted of the following (in thousands):

	December 31,
	2021			2020
Leasehold improvements	$	16,594		$	3,061
Laboratory equipment		1,353			555
Furniture and fixtures		649			263
Computer equipment and software		41			27
Total property and equipment, gross	$	18,637		$	3,906
Less: accumulated depreciation		(789	)		(1,971	)
Total property and equipment, net	$	17,848		$	1,935

Total depreciation expense recognized for the years ended December 31, 2021 and 2020 was $2.1 million and $0.7 million, respectively.

Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	December 31,
	2021		2020
Accrued research and development expenses	$	2,404	$	3,260
Accrued compensation		3,573		2,543
Accrued professional services		1,274		524
Accrued construction costs		1,917		—
Other accrued expenses		82		170
Total accrued liabilities	$	9,250	$	6,497