CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 190,574	$ 81,949
Restricted cash equivalents	2,413	0
Marketable securities	9,991	9,977
Prepaid expenses	1,500	4,201
Other current assets	449	380
Total current assets	204,927	96,507
Restricted cash, less current portion	0	2,413
Property and equipment, net	0	6,581
Operating lease right-of-use assets	24	35,007
Other assets	420	2,383
Total assets	205,371	142,891
Current liabilities:
Accounts payable	669	1,505
Accrued liabilities	58,104	12,892
Operating lease liabilities	0	4,215
Total current liabilities	58,773	18,612
Long-term liabilities:
Operating lease liabilities—non-current	0	27,615
Warrant liabilities	1,652,298	0
Total liabilities	1,711,071	46,227
Stockholders' equity (deficit):
Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of June 30, 2025 and December 31, 2024; 0 shares issued and outstanding as of June 30, 2025 and December 31, 2024
Common stock, $0.0001 par value; 800,000,000 and 400,000,000 shares authorized as of June 30, 2025 and December 31, 2024, respectively; 125,645,952 and 124,776,152 shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively	13	13
Additional paid-in capital	557,422	553,623
Accumulated other comprehensive income	14	22
Accumulated deficit	(2,063,149)	(456,994)
Total stockholders' equity (deficit)	(1,505,700)	96,664
Total liabilities and stockholders' equity (deficit)	$ 205,371	$ 142,891

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).