Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 21,987	$ 57,050
Prepaid expenses and other current assets	905	1,536
Total current assets	22,892	58,586
Property and equipment, net	1,263	4,688
Restricted cash and cash equivalents	0	901
Operating lease right of use asset	0	5,216
Other assets	0	5
Total assets	24,155	69,396
Current liabilities:
Accounts payable	1,939	754
Accrued expenses and other current liabilities	5,924	5,407
Operating lease liability, current	0	1,751
Note payable, net of discount and issuance costs	0	28,236
Total current liabilities	7,863	36,148
Operating lease liability, net of current portion	0	7,684
Derivative liability	0	759
Total liabilities	7,863	44,591
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.0001 par value, 5,000,000 shares authorized as of June 30, 2026 and December 31, 2025; no shares issued or outstanding as of June 30, 2026 and December 31, 2025	0	0
Common stock, $0.0001 par value, 200,000,000 shares authorized as of June 30, 2026 and December 31, 2025; 48,599,066 and 48,596,817 shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively	5	5
Additional paid-in capital	501,559	500,210
Accumulated deficit	(485,272)	(475,410)
Total stockholders’ equity	16,292	24,805
Total liabilities and stockholders’ equity	$ 24,155	$ 69,396

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).