Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 34,494	$ 38,129
Investments in marketable securities	114,956	213,171
Prepaid expenses and other current assets	7,617	4,058
Total current assets	157,067	255,358
Property and equipment, net	52,194	43,020
Operating lease right-of-use assets	12,399	11,685
Other noncurrent assets	4,650	4,126
Total assets	226,310	314,189
Current liabilities:
Accounts payable	5,312	10,721
Accrued and other current liabilities	8,388	9,059
Operating lease liabilities, current	4,016	1,994
Total current liabilities	17,716	21,774
Operating lease liabilities, noncurrent	12,043	13,707
Other noncurrent liabilities	223	182
Total liabilities	29,982	35,663
Commitments and contingencies (Note 6)
Stockholders' equity:
Common stock	4	4
Additional paid-in capital	442,773	434,196
Accumulated other comprehensive loss	(767)	(141)
Accumulated deficit	(245,682)	(155,533)
Total stockholders' equity	196,328	278,526
Total liabilities and stockholders' equity	$ 226,310	$ 314,189

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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Namespace Prefix:	us-gaap_
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).