v3.25.0.1

Income Taxes - Summary of Effective Income Tax Rate Differs from Statutory Federal Income Tax Rate (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Statutory U.S. federal rate	21.00%	21.00%
State income taxes	5.90%	6.20%
Other permanent differences	(1.20%)	(0.60%)
Research and development credits	6.60%	5.80%
Valuation allowance	(31.60%)	(32.40%)
Change in Income Tax Rates	(0.40%)
Other Rate Items	(0.30%)
Effective Tax Rate	(0.00%)

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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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.

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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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Vigil Neuroscience, Inc. 10-K