Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 58,134	$ 45,681
Short-term investments in marketable securities	41,169	58,961
Prepaid expenses and other current assets	5,726	6,940
Total current assets	105,029	111,582
Property and equipment, net	39,437	43,277
Operating lease right-of-use assets	13,656	9,979
Other noncurrent assets	5,063	5,677
Total assets	163,185	170,515
Current liabilities:
Accounts payable	4,319	5,630
Accrued and other current liabilities	9,030	12,784
Operating lease liabilities, current	3,363	4,319
Total current liabilities	16,712	22,733
Operating lease liabilities, noncurrent	12,210	8,105
Other noncurrent liabilities	266	253
Total liabilities	29,188	31,091
Commitments and contingencies (Note 5)
Stockholders' equity:
Common stock	8	7
Additional paid-in capital	598,997	542,805
Accumulated other comprehensive loss	(67)	(106)
Accumulated deficit	(464,941)	(403,282)
Total stockholders' equity	133,997	139,424
Total liabilities and stockholders' equity	$ 163,185	$ 170,515

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).