Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 16,671	$ 24,494
Marketable securities	71,943	85,435
Prepaid expenses and other current assets	2,822	4,860
Total current assets	91,436	114,789
Property and equipment, net	177	246
Operating lease right-of-use assets	250	346
Investment in joint venture	568	239
Total assets	92,431	115,620
Current liabilities:
Accounts payable	1,218	976
Accrued expenses	9,515	8,068
Operating lease liabilities	226	219
Deferred revenue	1,202	0
Total current liabilities	12,161	9,263
Operating lease liabilities, noncurrent	58	173
Deferred revenue, noncurrent	195	0
Total liabilities	12,414	9,436
Commitments and contingencies (Note 7)
Stockholders' equity
Common stock	4	4
Preferred stock	0	0
Additional paid-in capital	350,594	341,410
Accumulated other comprehensive loss	(71)	15
Accumulated deficit	(270,510)	(235,245)
Total stockholders' equity	80,017	106,184
Total liabilities and stockholders' equity	$ 92,431	$ 115,620

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).