CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows used in operating activities:
Net loss	$ (198,375)	$ (87,931)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	21,714	3,136
Depreciation expense	487	52
Amortization (accretion) of investment premiums (discounts)	(2,056)	121
Change in fair value of Measurement dates		5,228
Changes in operating assets and liabilities:
Accounts receivable, net	(15,306)
Inventories	(9,769)
Interest receivable	487	(144)
Prepaid expenses and other current assets	(5,221)	(4,486)
Operating lease right-of-use assets	1,635
Other assets	(456)	125
Accounts payable	1,854	670
Accrued expenses and deferred rent	26,052	8,432
Operating lease liabilities	(917)
Accrued interest and accrued interest-related parties		(2)
Net cash used in operating activities	(179,871)	(74,799)
Cash flows used in investing activities:
Purchases of property and equipment	(2,526)	(353)
Purchases of investments	(415,873)	(49,053)
Proceeds from maturities of short-term investments	179,411	3,000
Net cash used in investing activities	(238,988)	(46,406)
Cash flows provided by financing activities:
Repayment and proceeds from PPP loan		(263)
Proceeds from initial public offering	200,897
Proceeds from follow-on offering	231,550
Initial public offering costs paid	(2,044)
Follow-on offering costs paid	(803)
Proceeds from issuance of convertible notes—related parties		14,272
Proceeds from issuance of convertible notes , net of issuance costs		11,887
Issuance costs related to conversion of convertible notes		(50)
Proceeds from issuance of Series C-1 redeemable convertible preferred stock		135,000
Issuance costs related to issuance of Series C-1 redeemable convertible preferred stock		(209)
Proceeds from exercise of stock options	2,189	343
Payment of deferred offering costs		(2,474)
Net cash provided by financing activities	431,789	158,506
Effect of exchange rate changes on cash, cash equivalents and restricted cash equivalents	(65)	13
Net increase in cash, cash equivalents and restricted cash equivalents	12,865	37,314
Cash, cash equivalents and restricted cash equivalents, beginning of period	50,380	13,066
Cash, cash equivalents and restricted cash equivalents, end of period	63,245	50,380
Supplemental disclosure of cash flow information:
Conversion of convertible notes and accrued interest into redeemable convertible preferred stock		32,548
Unrealized loss on short-term investments	26	5
Purchases of property and equipment included in accounts payable	98	22
Deferred offering costs included in accounts payable and accrued expenses		$ 967
Right-of-use assets and liabilities upon ASC842 adoption	2,201
Right-of-use assets obtained in exchange for lease liabilities	4,958
Movement of deferred offering costs to equity	5,457
Follow-on offering costs included in accounts payable and accrued expenses	136
Conversion of preferred stock to common stock upon initial public offering	239,351
Income taxes paid	$ 27