CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
CURRENT ASSETS:
Cash and cash equivalents	$ 92,310	$ 52,315
Marketable securities, current	30,817	86,044
Prepaid expenses and other current assets	6,860	5,201
Total current assets	129,987	143,560
NON-CURRENT ASSETS:
Property and equipment, net	1,256	792
Operating lease right-of-use asset	1,421	1,530
Other assets	2,999	2,999
Total noncurrent assets	5,676	5,321
TOTAL ASSETS	135,663	148,881
CURRENT LIABILITIES:
Accounts payable	3,147	3,758
Accrued liabilities	8,133	9,889
Operating lease liability	507	444
Total current liabilities	11,787	14,091
NON-CURRENT LIABILITIES:
Term loan	14,808	0
Operating lease liability, noncurrent	1,092	1,225
TOTAL LIABILITIES	27,687	15,316
COMMITMENTS AND CONTINGENCIES (Note 8)
STOCKHOLDERS' DEFICIT
Common stock, $0.001 par value; 585,000,000 and 575,000,000 shares authorized as of March 31, 2026 and December 31, 2025, respectively; 1,232,442 and 1,227,186 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively	24	24
Additional paid-in capital	27,950	26,548
Accumulated other comprehensive income	12	134
Accumulated deficit	(292,231)	(265,362)
Total stockholders' deficit	(264,245)	(238,656)
TOTAL LIABILITIES, REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' DEFICIT	135,663	148,881
Series A Convertible Preferred Stock [Member]
REDEEMABLE CONVERTIBLE PREFERRED STOCK
REDEEMABLE CONVERTIBLE PREFERRED STOCK	49,176	49,176
Series B Convertible Preferred Stock [Member]
REDEEMABLE CONVERTIBLE PREFERRED STOCK
REDEEMABLE CONVERTIBLE PREFERRED STOCK	35,376	35,376
Series C-1 Preferred Stock
REDEEMABLE CONVERTIBLE PREFERRED STOCK
REDEEMABLE CONVERTIBLE PREFERRED STOCK	174,494	174,494
Series C-2 Convertible Preferred Stock [Member]
REDEEMABLE CONVERTIBLE PREFERRED STOCK
REDEEMABLE CONVERTIBLE PREFERRED STOCK	13,406	13,406
Series D Convertible Preferred Stock [Member]
REDEEMABLE CONVERTIBLE PREFERRED STOCK
REDEEMABLE CONVERTIBLE PREFERRED STOCK	$ 99,769	$ 99,769

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).