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Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2025

Share-Based Payment Arrangement [Abstract]

Schedule of Stock Option Activity

The following table summarizes stock option activity for the six months ended June 30, 2025:

			Options						Weighted average exercise price						Weighted average remaining contractual term (years)						Aggregate Intrinsic Value (in thousands)
Outstanding as of December 31, 2024			7,746,991						$	2.81
Exercised			(37,987)						0.11												$	14
Granted			1,749,000						0.50
Forfeited			(3,037,128)						2.10
Outstanding as of June 30, 2025			6,420,876						$	2.53					7.0						$	43
Exercisable as of June 30, 2025			4,691,835						$	2.46					6.3						$	43

Schedule of Estimated Using The Black-Scholes Option-Pricing Model

The fair values in the six months ended June 30, 2025 and 2024 were estimated using the Black-Scholes option-pricing model based on the following assumptions:

			Six Months Ended June 30,
			2025						2024
Risk-free interest rate			4.32% - 4.35%						3.77% - 4.59%
Expected term			6 years						6 years
Expected volatility			108.30% - 110.68%						103.00% - 107.10%
Expected dividend yield			—						—

Schedule of Stock-Based Compensation Expense

The Company recorded stock-based compensation expense in the following expense categories in its accompanying unaudited interim consolidated statements of operations (in thousands):

			Three Months Ended June 30,												Six Months Ended June 30,
			2025						2024						2025						2024
Research and development			$	103					$	(44)					$	210					$	392
General and administrative			328						669						729						1,290
			$	431					$	625					$	939					$	1,682

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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