Stock Based Compensation (Tables)

6 Months Ended

Jun. 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 June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Research and development	$	120	$	447	$	236	$	965
General and administrative	232			1,156	$	533		2,211
Total stock-based compensation expense		352	$	1,603	$	769	$	3,176

Schedule of Option Activity for Share-Based Payment Arrangement

The following table shows a summary of all stock option activity for the six months ended June 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		(696,504	)		2.04
Exercised		(268,998	)		0.85
Expired		(4,328	)		255.47
Outstanding as of June 30, 2024		20,744,849		$	1.59		7.44	$	2,389,459
Exercisable as of June 30, 2024		15,230,527		$	1.80		6.62	$	1,246,913
Vested and expected to vest		20,744,849		$	1.59		7.44	$	2,389,459