Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 68,856	$ 90,584
Restricted Cash, Current	8,373
Short-term investments		56,835
Prepaid expenses and other current assets	3,145	5,682
Insurance recovery receivable related to legal settlement (Note 7)	1,628	1,628
Total current assets	82,002	154,729
Restricted cash, non-current	631	631
Property and equipment, net	2,687	3,388
Operating lease right-of-use asset	871	1,049
Other long-term assets	55	448
Total assets	86,246	160,245
Current liabilities:
Accounts payable	388	129
Accrued liabilities	16,961	18,343
Accrued legal settlement	10,000	10,000
Current operating lease liability	402	368
Total current liabilities	27,751	28,840
Operating lease liability, less current portion	912	1,217
Total liabilities	28,663	30,057
Stockholders' equity:
Common stock, $0.0001 par value; 900,000,000 shares authorized at September 30, 2024 and December 31, 2023, respectively; 38,669,073 and 38,172,603 shares issued and outstanding at September 30, 2024 and December 31, 2023, respectively	4	4
Additional paid-in capital	448,719	439,739
Accumulated other comprehensive income (loss)	3	(349)
Accumulated deficit	(391,143)	(309,206)
Total stockholders' equity	57,583	130,188
Total liabilities and stockholders' equity	$ 86,246	$ 160,245

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).