Unaudited Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Net loss	$ (30,298)	$ (8,490)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	189	22
Loss on disposal of assets	0	3
Stock-based compensation	8,402	1,400
Amortization (accretion) of premiums/discounts on investments, net	(123)	(35)
Changes in operating assets and liabilities:
Accounts receivable	0	7,625
Prepaid expenses and other current assets (includes related party amounts of $(13) and $(36), respectively)	(1,987)	(1,789)
Other long-term assets	185	0
Accounts payable	117	37
Accrued expenses (includes related party amounts of $(32) and $(544), respectively)	264	698
Deferred revenue	4,797	(112)
Operating lease right-of-use assets and liabilities, net	859	0
Net cash used in operating activities	(17,595)	(641)
Cash flows from investing activities
Purchases of property and equipment	(1,869)	(232)
Purchases of short-term investments	(113,874)	(142,518)
Maturities of short-term investments	155,850	0
Net cash provided by (used in) investing activities	40,107	(142,750)
Cash flows from financing activities
Proceeds from exercise of vested and unvested common stock options and employee stock purchase plan	309	1,646
Proceeds from initial public offering, net of issuance costs	0	205,010
Net cash provided by financing activities	309	387,203
Net increase in cash and cash equivalents	22,821	243,812
Cash, cash equivalents and restricted cash -- beginning of period	36,398	7,813
Cash, cash equivalents and restricted cash -- end of period	59,219	251,625
Supplemental disclosure of noncash investing and financing activities
Conversion of convertible preferred stock in connection with initial public offering	0	202,171
Unpaid property and equipment	463	0
Vesting of restricted common stock	711	178
Unpaid equity issuance costs	1	873
Unrealized gain (loss) on available-for-sale securities, net	(1,637)	17
Operating lease liabilities arising from right-of-use assets	23,078	0
Series A Convertible Preferred Stock [Member]
Cash flows from financing activities
Proceeds from issuance of convertible preferred stock, net of issuance costs	0	55,722
Series B Convertible Preferred Stock [Member]
Cash flows from financing activities
Proceeds from issuance of convertible preferred stock, net of issuance costs	$ 0	$ 124,825