CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 42,289	$ 80,774
Marketable securities	96,568	29,633
Prepaid expenses and other current assets	3,512	2,271
Total current assets	142,369	112,678
Property and equipment, net	3,901	4,764
Operating lease right-of-use asset	21,990	23,620
Restricted cash	1,548	1,548
Other assets	426	442
Total assets	170,234	143,052
Current liabilities:
Accounts payable	5,930	1,005
Accrued expenses	7,809	13,522
Operating lease liability	3,071	3,004
Total current liabilities	16,810	17,531
Operating lease liability, net of current portion	15,969	17,100
Total liabilities	32,779	34,631
Commitments and contingencies (Note 7)
Stockholders' equity (deficit)
Preferred stock
Common stock	3	2
Additional paid-in capital	386,582	289,867
Accumulated other comprehensive income	91	34
Accumulated deficit	(249,221)	(181,482)
Total stockholders' equity	137,455	108,421
Total liabilities and stockholders' equity	$ 170,234	$ 143,052

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).