CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Research and development, net	$ 6,582	$ 6,745	$ 8,524	$ 13,499
Selling, general and administrative	6,379	4,657	10,928	11,025
Related Party
Research and development, net	10	140	10	165
Selling, general and administrative	65	44	153	88
Series B-1 and Series D redeemable convertible preferred stock warrants
Change in fair value of warrant liabilities for Series B-1 and Series D redeemable convertible preferred stock	293	0	399	0
Series B-1 and Series D redeemable convertible preferred stock warrants \| Related Party
Change in fair value of warrant liabilities for Series B-1 and Series D redeemable convertible preferred stock	$ 229	$ 0	$ 262	$ 0

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.