XML 60 R48.htm IDEA: XBRL DOCUMENT
v3.23.3

Changes in Board of Directors (Details) | Apr. 27, 2023
--- | ---
Director |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |
Board of director, term (in years) | 3 years

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479402/808-10-50-1 + Details
Name: | us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Related Party Transaction, Board Of Director, Term + References No definition available. + Details
Name: | vtl_RelatedPartyTransactionBoardOfDirectorTerm
Namespace Prefix: | vtl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_DirectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |