Balance Sheet Components

12 Months Ended

Dec. 31, 2022

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,
	2022		2021
Prepaid expenses	$	5,616	$	4,538
Other current assets		2,929		3,154
Total prepaid expenses and other current assets	$	8,545	$	7,692

Property and Equipment, Net

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

	December 31,
	2022			2021
Leasehold improvements	$	4,402		$	3,462
Furniture and fixtures		645			544
Research equipment		12,900			9,633
Computers and software		130			130
Construction-in-progress		49,655			2,274
Total property and equipment		67,732			16,043
Less accumulated depreciation and amortization		(5,824	)		(3,187	)
Total property and equipment, net	$	61,908		$	12,856

Depreciation and amortization expense were $2.6 million and $1.8 million for the years ended December 31, 2022 and 2021, respectively.

Accrued and Other Current Liabilities

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

	December 31,
	2022		2021
Accrued compensation	$	6,691	$	5,453
Accrued research and development costs		3,486		2,280
Accrued property and equipment		5,001		96
Other accrued and current liabilities		858		1,518
Total accrued and other liabilities	$	16,036	$	9,347