Unaudited Condensed Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net loss	$ (46,994)	$ (19,256)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	438	49
Loss on disposal of assets	0	3
Stock-based compensation	12,998	3,966
Amortization (accretion) of premiums/discounts on investments, net	(891)	(114)
Changes in operating assets and liabilities:
Accounts receivable	(500)	8,000
Prepaid expenses and other current assets (includes related party amounts of $0 and $(36), respectively)	(3,288)	(1,832)
Other long-term assets	(957)	(140)
Accounts payable (includes related party amounts of $(36) and $0, respectively)	(517)	2,621
Accrued expenses (includes related party amounts of $(16) and $(544), respectively)	3,151	1,107
Deferred revenue	3,859	(896)
Operating lease right-of-use assets and liabilities, net	1,692	(3)
Net cash used in operating activities	(31,009)	(6,495)
Cash flows from investing activities
Purchases of property and equipment	(4,389)	(309)
Purchases of short-term investments	(208,341)	(370,125)
Maturities of short-term investments	272,600	22,145
Net cash provided by (used in) investing activities	59,870	(348,289)
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	204,167
Net cash provided by financing activities	309	386,360
Net increase in cash and cash equivalents	29,170	31,576
Cash, cash equivalents and restricted cash -- beginning of year	36,398	7,813
Cash, cash equivalents and restricted cash -- end of period	65,568	39,389
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	1,189	853
Vesting of restricted common stock	880	326
Unpaid equity issuance costs	0	30
Unrealized gain (loss) on available-for-sale securities, net	(2,007)	24
Operating lease liabilities arising from right-of-use assets	23,078	256
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