Condensed Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating activities:
Net loss and comprehensive loss	$ (66,971)	$ (18,854)
Adjustments to reconcile net loss to cash used in operating activities:
Stock-based compensation	29,031	257
Depreciation	82	1
Non-cash interest expense	264	417
Change in fair value of embedded derivative liability	(205)	187
Loss on extinguishment of convertible promissory note	754	0
Changes in operating assets and liabilities:
Prepaids and other current assets	(5,167)	(453)
Accounts payable	1,839	1,119
Accrued and other current liabilities	3,225	1,108
Deferred revenue	(1,802)	2,384
Net cash used in operating activities	(38,540)	(14,208)
Investing activities:
Purchases of property and equipment	(1,006)	(11)
Net cash used in investing activities	(1,006)	(11)
Financing activities:
Proceeds from issuance of convertible preferred stock, net of issuance costs	113,634	0
Proceeds from initial public offering, net of offering costs	190,738	0
Proceeds from issuance of convertible promissory notes, net of issuance costs	0	6,464
Proceeds from exercise of stock options, including early exercise	400	174
Net cash provided by financing activities	304,772	6,638
Net increase (decrease) in cash and restricted cash	265,226	(7,581)
Cash and restricted cash at beginning of period	15,498	23,079
Cash and restricted cash at end of period	280,724	15,498
Supplemental disclosure of noncash activities
Conversion of preferred stock to common stock	151,613
Purchases of property and equipment included in accounts payable	$ 142