CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net loss	$ (92,094)	$ (68,899)
Adjustments to reconcile net loss to net cash used in operations:
Depreciation expense	2,525	1,434
Non-cash lease expense	6,435	3,017
Stock-based compensation	10,695	4,315
Other	(12)	174
Changes in operating assets and liabilities:
Operating lease liability	(13,311)	(2,559)
Prepaid expenses and other current assets	225	(6,363)
Accounts payable and accrued liabilities	1,114	405
Other assets	(721)	(668)
Net cash used in operating activities	(85,144)	(69,144)
Cash flow from investing activities
Purchases of marketable securities	(123,189)	(87,757)
Proceed from maturities of marketable securities	37,560
Purchases of property and equipment	(8,462)	(3,894)
Net cash used in investing activities	(94,091)	(91,651)
Cash flow from financing activities
Proceeds from issuance of redeemable convertible preferred stock		45,375
Proceeds from the issuance of common stock upon closing of initial public offering, net of underwriter fees		189,198
Payment of initial public offering costs		(2,215)
Proceeds from the issuance of common stock from public offering and concurrent private placement, net of underwriter fees and issuance costs	111,524
Proceeds from the issuance of common stock from at-the-market sales agreements, net of issuance costs	4,451
Proceeds from stock option exercises and issuance of common stock under ESPP	1,165	553
Net cash provided by financing activities	117,140	232,911
Net (decrease) increase in cash, cash equivalents and restricted cash equivalents	(62,095)	72,116
Cash, cash equivalents and restricted cash equivalents, beginning of period	122,214	50,098
Cash, cash equivalents and restricted cash equivalents, end of period	60,119	122,214
Supplemental disclosure of non-cash activities
Lease incentive paid by the landlord on behalf of the Company	7,872
Operating right-of-use assets and operating lease liability recorded upon lease commencement	23,376	35
Purchases of property and equipment in accounts payable	38	194
Financing costs associated with the sale of common stock included in accounts payable and accrued expenses	$ 812
Conversion of redeemable convertible preferred stock to common stock upon closing of the initial public offering		$ 152,711