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Income Taxes - Schedule of Reconciliation of Income Tax Expense (Benefit) Computed (Detail) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |
Federal income tax expense at statutory rate | 21.00% | 21.00%
State income taxes, net of federal benefit | 5.90% | 6.90%
Permanent differences | (1.20%) | (0.40%)
Convertible note revaluation | (1.80%) | 0.00%
Research and development tax credits | 3.10% | 4.10%
Change in valuation allowance | (27.60%) | (31.60%)
Effective income tax rate | (0.60%) | 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 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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