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Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Summary of Stock-based Compensation Expense Classified in Condensed Consolidated Statements of Operations and Comprehensive Loss

Stock-based compensation expense is classified in the condensed consolidated statements of operations and comprehensive loss as follows:

		Three Months Ended September 30,								Nine Months Ended September 30,
		2023				2022				2023				2022
		(In thousands)								(In thousands)
Research and development		$	2,959			$	2,690			$	8,859			$	8,025
General and administrative			4,356				3,835				10,659				10,496
Total		$	7,315			$	6,525			$	19,518			$	18,521

Summary of Assumptions Used to Estimate Fair Value of Options Granted

The following assumptions were used to estimate the fair value of the options granted during the nine months ended September 30, 2023.

Volatility		68.3	%
Risk-free interest rate		3.6	%
Expected holding period (in years)		6.2
Dividend yield		-

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- References

No definition available.

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (f)(2)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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