Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2025

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-based Compensation Expense

Stock-based compensation expense for stock options, RSUs and PSUs is reflected in the condensed consolidated statements of operations and comprehensive loss as follows (in thousands):

	Three months ended March 31,
	2025		2024
General and administrative	$	1,099	$	1,316
Research and development	786		445
Total	$	1,885	$	1,761

Schedule of Stock Option Activity

The following table summarizes stock option activity:

	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value (In Thousands)
Options outstanding at December 31, 2024	16,197,148	$	2.01	7.40	$	1,128
Granted	6,554,297	0.89		—	—
Exercised	(5,528)	0.66		—	—
Forfeited	(80,439)	0.79		—	1
Expired	(21,573)	$	0.93	—	$	6
Options outstanding at March 31, 2025	22,643,905	$	1.69	7.91	$	706
Vested and expected to vest at March 31, 2025	22,643,905	$	1.69	7.91	$	706
Options exercisable at March 31, 2025	12,072,336	$	2.32	6.66	$	575

Schedule of RSU Activity

The following table summarizes RSU activity:

	Number of Shares	Weighted Average Fair Value
RSUs unvested at December 31, 2024	1,902,457	$	1.49
Granted	—	$	—
Vested	(937,421)	$	1.90
Forfeited	(16,174)	$	0.73
RSUs unvested at March 31, 2025	948,862	$	1.10

Schedule of PSU Activity

The following table summarizes PSU activity:

	Number of Shares	Weighted Average Grant-Date Fair Value
PSUs outstanding at December 31, 2024	872,352	$	1.71
Granted	3,314,445	1.58
Vested	—	—
Forfeited	—	—
PSUs outstanding at March 31, 2025	4,186,797	$	1.61