Unaudited Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities
Net loss	$ (8,490)	$ (3,873)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	22	3
Loss on disposal of assets	3	0
Stock-based compensation	1,400	4
Noncash interest – related parties	0	206
Amortization (accretion) of premiums/discounts on investments, net	(35)	0
Increase in fair value of convertible promissory notes – related parties	0	1,735
Changes in operating assets and liabilities:
Accounts receivable	7,625	0
Prepaid expenses and other current assets (includes related party amounts of $36 and $0, respectively)	(1,789)	0
Accounts payable	37	167
Accrued expenses (includes related party amounts of $(544) and $37, respectively)	698	101
Deferred revenue	(112)	0
Net cash used in operating activities	(641)	(1,657)
Cash flows from investing activities
Purchases of property and equipment	(232)	0
Purchases of short-term investments	(142,518)	0
Net cash used in investing activities	(142,750)	0
Cash flows from financing activities
Proceeds from issuance of convertible promissory notes	0	2,500
Proceeds from exercise of vested and unvested common stock options	1,646	4
Proceeds from initial public offering, net of issuance costs	205,010	0
Net cash provided by financing activities	387,203	7,004
Net increase in cash and cash equivalents	243,812	5,347
Cash and cash equivalents – beginning of period	7,813	658
Cash and cash equivalents – end of period	251,625	6,005
Supplemental disclosure of noncash investing and financing activities
Conversion of convertible preferred stock in connection with initial public offering	202,171	0
Conversion of convertible promissory notes and accrued interest into shares of convertible preferred stock	0	8,674
Vesting of restricted common stock	178	0
Unpaid equity issuance costs	873	39
Unrealized gain (loss) on short-term investments	17	0
Series Seed 2 Convertible Preferred Stock [Member]
Cash flows from financing activities
Proceeds from issuance of convertible preferred stock, net of issuance costs	0	4,500
Series A Convertible Preferred Stock [Member]
Cash flows from financing activities
Proceeds from issuance of convertible preferred stock, net of issuance costs	55,722	0
Series B Convertible Preferred Stock [Member]
Cash flows from financing activities
Proceeds from issuance of convertible preferred stock, net of issuance costs	$ 124,825	$ 0