Balance Sheet Components

9 Months Ended

Sep. 30, 2023

Property, Plant and Equipment [Abstract]

5. Balance Sheet Components

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets as of September 30, 2023 and December 31, 2022 consisted of the following (in thousands):


	September 30, 2023		December 31, 2022
Advances to suppliers	$	—	$	2,486
Prepaid insurance		1,227		1,343
Other prepaid expenses		3,550		3,307
Total prepaid expenses and other current assets	$	4,777	$	7,136

Property and Equipment, Net

Property and equipment, net as of September 30, 2023 and December 31, 2022 consisted of the following (in thousands):


	September 30, 2023			December 31, 2022
Furniture and fixtures	$	1,264		$	321
Computers and network equipment		—			251
Lab equipment		—			12,521
Leasehold improvements		12,108			304
Construction-in-progress		—			12,440
Total property and equipment		13,372			25,837
Less: accumulated depreciation		(838	)		(3,207	)
Total property and equipment, net		12,534			22,630

Depreciation expense for the three and nine months ended September 30, 2023 was $0.8 million and $2.3 million, respectively. Depreciation expense for the three and nine months ended September 30, 2022 was $0.7 million and $1.7 million, respectively.

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities as of September 30, 2023 and December 31, 2022 consisted of the following (in thousands):


	September 30, 2023		December 31, 2022
Professional fees	$	178	$	367
Early exercise liability		34		150
Other accrued expenses		221		1,354
Accrued employee termination benefits		2,983		—
Total accrued expenses and other current liabilities	$	3,416	$	1,871