CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 42,150	$ 60,514
Marketable securities	90,153	87,942
Prepaid expenses and other current assets	1,968	2,507
Total current assets	134,271	150,963
Property and equipment, net	1,565	1,903
Operating lease right-of-use asset	18,522	19,121
Restricted cash	1,548	1,548
Other assets	389	372
Total assets	156,295	173,907
Current liabilities:
Accounts payable	622	822
Accrued expenses	5,132	8,637
Operating lease liability	3,210	3,187
Total current liabilities	8,964	12,646
Operating lease liability, net of current portion	13,351	13,817
Total liabilities	22,315	26,463
Commitments and contingencies (Note 7)
Stockholders' equity
Preferred stock
Common stock	7	7
Additional paid-in capital	512,913	508,544
Accumulated other comprehensive (loss) income	(59)	11
Accumulated deficit	(378,881)	(361,118)
Total stockholders' equity	133,980	147,444
Total liabilities and stockholders' equity	$ 156,295	$ 173,907

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).