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Income Taxes - Summary of Principal Components of Company's Deferred Tax Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets: |  |
Federal, state and local net operating loss carryforwards | $ 44,369 | $ 34,534
Capitalized research and development costs | 36,646 | 19,830
Research and development tax credits | 16,296 | 10,192
Stock-based compensation deductions | 9,919 | 6,066
License fee deductions | 221 | 240
Operating lease liabilities | 4,607 | 1,482
Accrued expenses | 2,603 | 1,665
Gross deferred tax assets | 114,661 | 74,009
Less: valuation allowance | (110,723) | (72,560)
Total deferred tax assets | 3,938 | 1,449
Deferred tax liabilities: |  |
Operating lease right-of-use assets | (3,938) | (1,449)
Net deferred tax assets | $ 0 | $ 0

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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