Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (56,151)	$ (39,735)
Adjustments to reconcile net loss to net cash used in operating activities:
Issuance of common stock for in-process research and development expense		3,787
Stock-based compensation	8,364	3,719
Depreciation and amortization	94	71
Non-cash lease expense	67	20
Change in fair value of warrant liability	(9,404)	(207)
Amortization of premium on marketable securities	3,507	1,734
Realized loss (gain) on marketable securities	908	(46)
Change in operating assets and liabilities (net of assets and liabilities acquired in the Merger)
Prepaid expenses and other current assets	(4,156)	(3,246)
Interest receivable on marketable securities	371	(905)
Lease security deposit	283
Accounts payable	8,803	2,398
Accrued expenses	(4,533)	850
Net cash used in operating activities	(51,847)	(31,560)
Cash flow from investing activities:
Purchases of marketable securities	(262,672)	(231,673)
Proceeds from sale of marketable securities	283,957	58,108
Purchases of property and equipment	(202)	(118)
Net cash (used in) provided by investing activities	21,083	(173,683)
Cash flow from financing activities:
Proceeds from the Merger, net of offering costs paid		624,831
Proceeds from issuance of common stock under ESPP	292
Proceeds from exercises of options	370	190
Net cash provided by financing activities	662	625,021
Net (decrease) increase in cash and cash equivalents	(30,102)	419,778
Cash and cash equivalents, beginning of the period	132,423	29,755
Cash and cash equivalents, end of the period	102,321	449,533
Supplemental Cash Flow Elements [Abstract]
Right-of-use assets recognized		3,917
Operating Lease Liabilities Recognized		4,074
Reclassification of deferred rent		(157)
Non-cash investing and financing activities:
Purchase of property and equipment included in accounts payable		31
Issuance of common stock for in-process research and development		3,787
Issuance costs from Business Merger in accounts payable and accrued expenses		$ 62