Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net loss	$ (49,077)	$ (12,659)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	5,415	306
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	1,327	2
Accounts payable	(466)	929
Accrued expenses	3,119	1,885
Net cash used in operating activities	(39,682)	(9,537)
Financing activities:
Proceeds from issuance of convertible preferred stock	0	44,500
Cash paid for deferred offering costs	(397)	(369)
Payment of issuance costs for convertible preferred stock	0	(176)
Proceeds from exercise of common stock options	0	4
Net cash (used) provided by financing activities	(397)	43,959
(Decrease) increase in cash and cash equivalents	(40,079)	34,422
Cash and cash equivalents at beginning of period	268,678	3,410
Cash and cash equivalents at end of period	228,599	37,832
Non-cash financing activities:
Conversion of 2020 SAFE agreements into shares of convertible preferred stock	0	14,808
Deferred offering costs included in accounts payable and accrued expenses	$ 0	$ 597