Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Cash flows from operating activities:
Net loss	$ (18,096)	$ (11,352)	$ (36,355)	$ (20,651)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization			655	268
Accretion and amortization of marketable securities, net			(92)	302
Amortization of right-of-use assets			384
Stock-based compensation expense			5,043	1,731
Fair value adjustment of contingent stock liability				735
Changes in operating assets and liabilities:
Prepaid and other current assets			(2,382)	(2,986)
Other assets			(7)	(75)
Accounts payable			(84)	497
Accrued expenses			(553)	150
Operating lease liability			(262)
Other liabilities			93
Net cash used in operating activities			(33,560)	(20,029)	$ (40,000)
Cash flows from investing activities:
Purchases of property and equipment			(2,433)	(522)
Purchases of marketable securities			(87,983)	(174,844)
Maturities of marketable securities			130,771	76,564
Net cash provided by (used in) investing activities			40,355	(98,802)
Cash flows from financing activities:
Proceeds from isuance of common stock				139,523
Common stock issuance costs		(12,858,764)
Payment of partial settlement of contingent stock liability				(277)
Proceeds from exercise of stock options			32	28
Net cash provided by financing activities			109	137,539
Net increase in cash and cash equivalents			6,904	18,708
Cash and cash equivalents at beginning of period			18,614	17,589	17,589
Cash and cash equivalents at end of period	$ 25,518	$ 36,297	25,518	36,297	$ 18,614
Supplemental disclosure of non-cash investing and financing activities:
Property and equipment additions included in accounts payable and accrued expenses			174	72
Deferred issuance costs included in accounts payable and accrued expenses				634
Issuance of shares of common stock in partial settlement of conttingent stock liability accrued expenses				831
2021 Employee Stock Purchase Plan
Cash flows from financing activities:
Proceeds from isuance of common stock			$ 77
Common Stock
Cash flows from financing activities:
Common stock issuance costs				$ (1,735)