Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net loss	$ (46,169)	$ (14,403)
Adjustments to reconcile net loss to cash used in operating activities:
Stock-based compensation	10,102	1,684
Depreciation	98	17
Non-cash lease expense	440	0
Amortization of premiums and discounts on short-term investments	(189)	0
Non-cash interest expense	0	264
Change in fair value of embedded derivative liability	0	205
Loss on extinguishment of convertible promissory note	0	754
Changes in operating assets and liabilities:
Prepaids and other current assets	1,192	(3,457)
Accounts payable	(274)	359
Accrued & other current liabilities	89	(396)
Deferred revenue	(582)	(1,205)
Net cash used in operating activities	(35,293)	(16,178)
Investing activities:
Purchases of property and equipment	(4,608)	(568)
Purchases of short-term investments	(134,545)	0
Proceeds from lease incentive	2,629	0
Net cash used in investing activities	(136,524)	(568)
Financing activities:
Proceeds from issuance of convertible preferred stock, net of issuance costs	0	113,634
Proceeds from exercise of stock options, including early exercise	499	120
Payment of deferred offering costs	0	(742)
Net cash provided by financing activities	499	113,012
Net (decrease) increase in cash, cash equivalents, and restricted cash	(171,318)	96,266
Cash, cash equivalents, and restricted cash at beginning of period	280,724	15,498
Cash, cash equivalents, and restricted cash at end of period	109,406	111,764
Supplemental disclosure of noncash activities
Purchases of property and equipment included in accounts payable and accrued liabilities	2,506	151
Right-of-use assets and lease liabilities recognized upon commencement of lease	3,370	0
Conversion of convertible note (including accrued interest) and derivative liability for Series B-2 convertible preferred stock	0	7,917
Deferred offering costs included in accounts payable and accrued and other current liabilities	$ 0	$ 1,524