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Income Taxes - Reconciliation of Federal Statutory Income Tax Rate (Detail) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |
Federal statutory income tax rate | 21.00% | 21.00%
State taxes, net of federal benefit | 4.90% | 6.20%
Change in state tax rate | (1.70%) | (7.90%)
Federal and state research and development tax credit | 8.20% | 1.10%
Nondeductible permanent differences | (1.00%) | (1.00%)
Stock compensation forfeitures - DTA Write Off | (1.80%) |
Change in deferred tax asset valuation allowance | (29.60%) | (19.30%)
Effective income tax rate | 0.00% | 0.00%

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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deferred tax asset write-offs from stock compensation forfeitures. + References No definition available. + Details
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-1 + Details
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