Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 116,834	$ 182,530
Prepaid expenses and other current assets	8,040	8,007
Total current assets	124,874	190,537
Property and equipment, net	25	40
Operating lease right-of-use assets	297	417
Other assets	53	53
Total assets	125,249	191,047
Current liabilities:
Accounts payable	4,147	3,379
Accrued liabilities	23,331	28,788
Operating lease liabilities, current portion	299	284
Total current liabilities	27,777	32,451
Long term debt, net	52,912	54,532
Operating lease liabilities, noncurrent	41	193
Total liabilities	80,730	87,176
Commitments and contingencies
Stockholders' equity:
Common stock	19	17
Additional paid-in capital	1,325,189	1,288,003
Accumulated deficit	(1,280,689)	(1,184,149)
Total stockholders' equity	44,519	103,871
Total liabilities and stockholders' equity	$ 125,249	$ 191,047

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).