Balance Sheet Components

12 Months Ended

Dec. 31, 2023

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Components

5. Balance Sheet Components

Prepaid Expenses and Other Current Assets

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

	December 31,
	2023		2022
Prepaid expenses	$	3,263	$	5,616
Other current assets		1,619		2,929
Total prepaid expenses and other current assets	$	4,882	$	8,545

Property and Equipment, Net

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

	December 31,
	2023			2022
Leasehold improvements	$	66,618		$	4,402
Furniture and fixtures		745			645
Research equipment		14,298			12,900
Computers and software		404			130
Construction-in-progress		8,954			49,655
Total property and equipment, gross		91,019			67,732
Less accumulated depreciation and amortization		(11,693	)		(5,824	)
Total property and equipment, net	$	79,326		$	61,908

Depreciation and amortization expense were $5.9 million and $2.6 million for the years ended December 31, 2023 and 2022, respectively.

Accrued and Other Current Liabilities

Accrued and other current liabilities are comprised of the following (in thousands):

	December 31,
	2023		2022
Accrued compensation	$	6,722	$	6,691
Accrued research and development costs		5,845		3,486
Accrued property and equipment		174		5,001
Other accrued and current liabilities		855		858
Total accrued and other liabilities	$	13,596	$	16,036