Stock Based Compensation (Tables)

9 Months Ended

Sep. 30, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Share-Based Compensation Expense

The Company recognized stock-based compensation expense in the Condensed Consolidated Statements of Operations as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2024		2023		2024		2023
Research and development	$	204	$	324	$	440	$	1,289
General and administrative		545		602		1,078		2,813
Total stock-based compensation expense	$	749	$	926	$	1,518	$	4,102

Schedule of Option Activity for Share-Based Payment Arrangement

The following table shows a summary of all stock option activity for the nine months ended September 30, 2024:

	Number of Underlying Shares			Weighted- Average Exercise Price Per Share		Weighted- Average Contractual Life Remaining in Years		Aggregate Intrinsic Value
Outstanding as of January 1, 2024		17,506,345		$	1.79			$	554,525
Granted		4,208,334			1.06
Forfeited		(1,167,504	)		1.60
Exercised		(343,998	)		0.79
Expired		(4,606	)		258.08
Outstanding as of September 30, 2024		20,198,571		$	1.61		7.13	$	6,090,201
Exercisable as of September 30, 2024		16,069,778		$	1.76		6.53	$	3,966,111
Vested and expected to vest		20,198,571		$	1.61		7.13	$	6,090,201