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v3.25.2

Income Taxes (Details Narrative) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Income Tax Disclosure [Abstract] |  |
Uncertain tax position recognized | $ 0 | $ 0

X
- Definition Uncertain tax position recognized. + References No definition available. + Details
Name: | rzlv_UncertainTaxPositionRecognized
Namespace Prefix: | rzlv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration