Note 10 - Commitments and Contingencies (Details Textual)	3 Months Ended
Mar. 31, 2026 USD ($)
Lessee, Operating Lease, Renewal Term (Year)	5 years
Loss Contingency Accrual	$ 0
Corporate Office Space in San Antonio, TX [Member]
Number of Leased Facilities	4
Lessee, Operating Lease, Term of Contract (Year)	1 year
Lessee, Operating Lease, Base Rent	$ 1,188
Lessee, Operating Lease, Renewal Term (Year)	1 year

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-10

+ Details

Name:	us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the base rent of an operating lease.

+ References

No definition available.

+ Details

Name:	vbio_LesseeOperatingLeaseBaseRent
Namespace Prefix:	vbio_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of leased facilities.

+ References

No definition available.

+ Details

Name:	vbio_NumberOfLeasedFacilities
Namespace Prefix:	vbio_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_LeaseContractualTermAxis=vbio_CorporateOfficeSpaceInSanAntonioTxMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: