Nature of the Business and Basis of Presentation - Additional Information (Details)	12 Months Ended
Dec. 28, 2025
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Date of incorporation	Jun. 06, 2013

Organization consolidation and presentation of financial statements.

No definition available.

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Namespace Prefix:	vitl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration