Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net loss	$ (42,430)	$ (16,364)
Adjustments to reconcile net loss to net cash used in operations:
Depreciation and amortization	214	90
Stock-based compensation	7,679	1,019
Loss on disposal of property and equipment	3	3
Changes in operating assets and liabilities:
Prepaid expenses and other assets	(5,945)	(917)
Accounts payable, accrued expenses and other liabilities	2,150	1,396
Right-of-use assets and lease liabilities, net	24	56
Net cash used in operating activities	(38,305)	(14,717)
Cash flows from investing activities:
Purchases of property and equipment	(538)	(556)
Proceeds from sale of property and equipment	0	16
Net cash used in investing activities	(538)	(540)
Cash flows from financing activities:
Payment of deferred offering costs	0	182,729
Proceeds from issuances of common stock under benefit plans	629	513
Payments for financing lease	0	(9)
Net cash provided by financing activities	629	312,856
Net cash (decrease) increase for the period	(38,214)	297,599
Cash, cash equivalents and restricted cash at beginning of the period	302,425	15,467
Cash, cash equivalents and restricted cash at end of the period	264,211	313,066
Reconciliation of cash, cash equivalents and restricted cash to the balance sheet
Cash and cash equivalents	263,211	312,823
Restricted cash	1,000	243
Total cash, cash equivalents and restricted cash	264,211	313,066
Supplemental disclosure of cash flow information:
Right-of-use asset obtained in exchange for lease liability	1,556	1,238
Non-cash investing and financing activities:
Purchases of equipment included in accounts payable	9	17
Deferred offering costs included in accounts payable and accrued expenses	0	1,509
Series A Convertible Preferred Stock [Member]
Cash flows from financing activities:
Proceeds from issuance of convertible preferred stock, net of issuance costs	0	23,495
Series B Convertible Preferred Stock [Member]
Cash flows from financing activities:
Proceeds from issuance of convertible preferred stock, net of issuance costs	$ 0	$ 106,128