Name:	us-gaap_ClassOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

Name:	us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Price of a single share of a number of saleable stocks of a company.

No definition available.

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

No definition available.

Name:	us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders.

No definition available.

Name:	us-gaap_StockIssuedDuringPeriodValueIssuedForServices
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Stock Issued During Period, Issued For Service, Expense Recognition Period

No definition available.

Name:	vtl_StockIssuedDuringPeriodIssuedForServiceExpenseRecognitionPeriod
Namespace Prefix:	vtl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Stock Issued During Period, Issued For Services, Number Of Shares Potentially Surrendered At Early Termination

No definition available.

Name:	vtl_StockIssuedDuringPeriodIssuedForServicesNumberOfSharesPotentiallySurrenderedAtEarlyTermination
Namespace Prefix:	vtl_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Stock Issued During Period, Issued For Services, Number Of Shares Quoted At Market Price

No definition available.

Name:	vtl_StockIssuedDuringPeriodIssuedForServicesNumberOfSharesQuotedAtMarketPrice
Namespace Prefix:	vtl_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Stock Issued During Period, Issued For Services, Percent Of Shares Potentially Surrendered At Early Termination

No definition available.

Name:	vtl_StockIssuedDuringPeriodIssuedForServicesPercentOfSharesPotentiallySurrenderedAtEarlyTermination
Namespace Prefix:	vtl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Stock Issued During Period, Issued For Services, Percent Of Shares Quoted At Market Price

No definition available.