CONDENSED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 122,172	$ 39,045
Prepaid expenses and other current assets	1,353	904
Total current assets	123,525	39,949
Property and equipment, net	5,901	3,037
Other non-current assets	2,969	541
Total assets	132,395	43,527
Current liabilities:
Accounts payable	2,278	1,602
Accrued expenses and other current liabilities	4,880	1,757
Total current liabilities	7,158	3,359
Deferred rent, net of current portion	339
Total liabilities	7,497	3,359
Commitments and contingencies (Note 9)
Redeemable convertible preferred stock, par value $0.0001 (Note 6)	197,489	81,658
Stockholders' deficit:
Common stock, par value $0.0001; 172,000,000 and 113,259,306 shares authorized as of September 30, 2021 and December 31, 2020, respectively; 1,684,294 and 1,283,545 shares issued as of September 30, 2021 and December 31, 2020, respectively; 1,547,774 and 1,244,139 shares outstanding as of September 30, 2021 and December 31, 2020, respectively
Additional paid-in capital	2,631	1,021
Accumulated deficit	(75,222)	(42,511)
Total stockholders' deficit	(72,591)	(41,490)
Total liabilities, redeemable convertible preferred stock and stockholders' deficit	$ 132,395	$ 43,527

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).