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v3.25.3

Reverse Recapitalization and Pre-Closing Financing - Narrative (Details) $ in Thousands | Jun. 13, 2025 USD ($)
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Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] |
Goodwill and intangible assets recognized | $ 0

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- Definition Reverse Recapitalization, Goodwill And Intangible Assets + References No definition available. + Details
Name: | cbio_ReverseRecapitalizationGoodwillAndIntangibleAssets
Namespace Prefix: | cbio_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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