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v3.26.1

Income Taxes (Details) | 6 Months Ended
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Jun. 30, 2026
M&F TTP Holdings LLC |
Income Taxes [Line Items] |
Amount of cash savings percentage | 85.00%

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- Definition Income taxes. + References No definition available. + Details
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Namespace Prefix: | vtvt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of amount of cash savings. + References No definition available. + Details
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Namespace Prefix: | vtvt_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |