Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 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 September 30,				Nine months ended September 30,
	2025		2024		2025		2024
General and administrative	$	1,209	$	1,315	$	3,412	$	3,965
Research and development	767		577		2,293		1,586
Total	$	1,976	$	1,892	$	5,705	$	5,551

Schedule of Stock Option Activity

The following table summarizes the Company's 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	7.4	$	1,128
Granted	9,543,246	0.93			3
Exercised	(280,379)	0.45			187
Forfeited	(1,174,166)	2.21			39
Expired	(387,569)	2.16			6
Options outstanding at September 30, 2025	23,898,280	$	1.58	7.8	$	12,191
Vested and expected to vest at September 30, 2025	23,898,280	$	1.58	7.8	$	12,191
Options exercisable at September 30, 2025	11,305,784	$	2.29	6.3	$	3,641

Schedule of RSU Activity

The following table summarizes the Company's unvested RSU activity:

	Number of Shares	Weighted Average Grant Date Fair Value
RSUs unvested at December 31, 2024	1,902,457	$	1.49
Vested	(960,862)	$	1.90
Forfeited	(24,066)	$	0.84
RSUs unvested at September 30, 2025	917,529	$	1.08

Schedule of PSU Activity

The following table summarizes the unvested PSU activity:

	Number of Shares	Weighted Average Grant-Date Fair Value
PSUs unvested at December 31, 2024	872,352	$	1.71
Granted	3,314,445	$	1.58
Vested	—	$	—
Forfeited	—	$	—
PSUs unvested at September 30, 2025	4,186,797	$	1.61