Equity Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2026

Equity Incentive Plans

Schedule of stock option activity under the Equity Plans

		Weighted		Weighted
		Average		Average	Aggregate
		Exercise Price		Remaining	Intrinsic
	Options	Per Share		Life in Years	Value
Outstanding at December 31, 2025	3,757,238	$	7.46	7.28	$	—
Forfeited	(11,666)	$	—
Outstanding at June 30, 2026	3,745,572	$	7.48	5.51	$	—
Options exercisable at June 30, 2026	2,811,490	$	9.49	4.29
Options vested and expected to vest at June 30, 2026	3,745,572	$	7.48	5.51	$	—

Schedule of RSU activity under the Equity Incentive Plans

		Weighted
		Average Grant
	Number of Shares	Date Fair Value
Outstanding at December 31, 2025	18,305,221	$	1.05
Settled by the issuance of common stock	(1,723,250)	$	0.87
Outstanding at June 30, 2026	16,581,971	$	1.07

Schedule of recognized stock-based compensation expense related to the issuance of stock option awards and RSUs to employees and non-employees in the condensed consolidated statements of operations

	Three Months Ended June 30,				Six Months Ended June 30,
	2026		2025		2026		2025
Research and development	$	—	$	387	$	—	$	1,021
General and administrative		2,159		476		4,290		1,046
Restructuring charges		—		626		—		626
Total	$	2,159	$	1,489	$	4,290	$	2,693