Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Current assets
Cash and cash equivalents	$ 12,841	$ 28,415
Restricted cash	960	342
Accounts receivable, net	82	233
Inventory	483	722
Prepaid expenses	3,074	4,028
Other current assets	11,260	10,945
Total current assets	28,700	44,685
Property and equipment, net	99	175
Operating lease right-of-use assets	0	56
Total assets	28,799	44,916
Current liabilities
Accounts payable	18,783	14,701
Accrued expenses	3,921	4,341
Current portion of long-term debt	104,451	24,931
Total current liabilities	137,149	53,926
Derivative liabilities	7,110	1,790
Long-term debt	0	84,663
Total liabilities	144,259	140,379
Commitments and contingencies (Note 16)
Stockholders' (deficit) equity
Preferred stock, $0.001 par value, 10,000 shares authorized; no shares issued and outstanding as of June 30, 2026 and December 31, 2025	0	0
Common stock, $0.001 par value, 200,000 shares authorized as of June 30, 2026 and December 31, 2025; 31,305 and 22,328 shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively	31	76
Additional paid-in-capital	632,007	624,555
Accumulated deficit	(747,498)	(720,094)
Total stockholders' (deficit) equity	(115,460)	(95,463)
Total liabilities and stockholders' (deficit) equity	28,799	44,916
Related Party
Current liabilities
Other current liabilities	157	138
Nonrelated Party
Current liabilities
Other current liabilities	$ 9,837	$ 9,815

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).

Name:	us-gaap_AccountsPayableCurrent
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).