Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2026

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Expense Included in Each Respective Expense Category

The following table presents stock-based compensation expense for all of the Company’s 2021 Plan, EI Plan, and STI Plan and awards outside these plans included in each respective expense category in the Unaudited Condensed Consolidated Statements of Operations and Comprehensive Loss is as follows:

	Three Months Ended March 31,
(in thousands)	2026			2025
Research and development	$	23		$	268
Sales and marketing	12			23
General and administrative	(837)		(a)	10
	$	(802)		$	301

(a) Negative stock-based compensation expense in general and administrative due to adjusting down the liability balance of Mr. Jia’s market-based awards and remeasurement of other liability-classified awards.