Area of a real estate property.

No definition available.

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Data Type:	num:areaItemType
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Period Type:	instant

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

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

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

+ Details

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

- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(4)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971

+ Details

Name:	us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8,17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents information about allowance amount for certain tenant improvements related to engineering, design and construction of Sublease Premises.

+ References

No definition available.

+ Details

Name:	vive_OperatingLeasesAllowanceForCertainImprovements
Namespace Prefix:	vive_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the amount of monthly payment under operating lease agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	vive_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the monthly base rent per rentable square foot of the Sublease Premises during the first year.

+ References

No definition available.

+ Details

Name:	vive_OperatingLeasesMonthlyRentPerRentableSquareFootDuringFirstYear
Namespace Prefix:	vive_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the monthly base rent per rentable square foot of the Sublease Premises during the second year.

+ References

No definition available.

+ Details

Name:	vive_OperatingLeasesMonthlyRentPerRentableSquareFootDuringSecondYear
Namespace Prefix:	vive_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the monthly base rent per rentable square foot of the Sublease Premises during the third year.

+ References

No definition available.

+ Details

Name:	vive_OperatingLeasesMonthlyRentPerRentableSquareFootDuringThirdYear
Namespace Prefix:	vive_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=vive_SubleaseAgreementForRelocationOfHeadquartersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=vive_NoncancelableOperatingLeaseAgreementForOfficeEquipmentMember
Namespace Prefix:
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Balance Type:
Period Type:

Note 7 - Leases (Details Textual)	1 Months Ended	3 Months Ended
Note 7 - Leases (Details Textual)	Sep. 30, 2018 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Feb. 01, 2017 USD ($) ft²
Operating Leases, Rent Expense, Total			$ 138,000
Operating Lease, Cost		$ 75,000
Operating Lease, Weighted Average Remaining Lease Term		2 years 60 days
Operating Lease, Weighted Average Discount Rate, Percent		12.50%
Sublease Agreement for Relocation of Headquarters [Member]
Area of Real Estate Property \| ft²				12,400
Operating Leases, Monthly Rent Per Rentable Square Foot During First Year				20.5
Operating Leases, Monthly Rent Per Rentable Square Foot During Second Year				21.12
Operating Leases, Monthly Rent Per Rentable Square Foot During Third Year				21.75
Security Deposit				$ 22,000
Operating Leases, Allowance for Certain Improvements				$ 88,000
Noncancelable Operating Lease Agreement for Office Equipment [Member]
Lessee, Operating Lease, Term of Contract	3 years
Operating Leases, Monthly Payment	$ 3,000