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Note 13 - Subsequent Events (Details) (USD $)
0 Months Ended
Jan. 31, 2014
Oct. 01, 2014
Mar. 05, 2014
Sep. 30, 2014
Related Party Convertible Bridge Notes [Member] | Subsequent Event [Member] | January 2014 Convertible Bridge Notes [Member]        
Note 13 - Subsequent Events (Details) [Line Items]        
Contingent Bridge Loan Proceeds $ 500,000vivmf_ContingentBridgeLoanProceeds
/ us-gaap_DebtInstrumentAxis
= vivmf_January2014ConvertibleBridgeNotesMember
/ us-gaap_ShortTermDebtTypeAxis
= vivmf_RelatedPartyConvertibleBridgeNotesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
     
Related Party Convertible Bridge Notes [Member] | Subsequent Event [Member] | March 2014 Convertible Promissory Notes [Member]        
Note 13 - Subsequent Events (Details) [Line Items]        
Maximum Authorized Convertible Promissory Notes Issuable     500,000vivmf_MaximumAuthorizedConvertiblePromissoryNotesIssuable
/ us-gaap_DebtInstrumentAxis
= vivmf_March2014ConvertiblePromissoryNotesMember
/ us-gaap_ShortTermDebtTypeAxis
= vivmf_RelatedPartyConvertibleBridgeNotesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Convertible Notes Payable     100,000us-gaap_ConvertibleNotesPayable
/ us-gaap_DebtInstrumentAxis
= vivmf_March2014ConvertiblePromissoryNotesMember
/ us-gaap_ShortTermDebtTypeAxis
= vivmf_RelatedPartyConvertibleBridgeNotesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Debt Instrument, Interest Rate, Stated Percentage     9.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vivmf_March2014ConvertiblePromissoryNotesMember
/ us-gaap_ShortTermDebtTypeAxis
= vivmf_RelatedPartyConvertibleBridgeNotesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Subsequent Event [Member] | Loan and Security Agreement [Member]        
Note 13 - Subsequent Events (Details) [Line Items]        
Proceeds from Issuance of Debt   2,500,000us-gaap_ProceedsFromIssuanceOfDebt
/ us-gaap_DebtInstrumentAxis
= vivmf_LoanAndSecurityAgreementMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
   
Subsequent Event [Member]        
Note 13 - Subsequent Events (Details) [Line Items]        
Repayments of Debt   1,630,925us-gaap_RepaymentsOfDebt
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
   
Loan and Security Agreement [Member]        
Note 13 - Subsequent Events (Details) [Line Items]        
Debt Instrument, Face Amount       $ 5,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= vivmf_LoanAndSecurityAgreementMember
Number of Tranches       3vivmf_NumberOfTranches
/ us-gaap_DebtInstrumentAxis
= vivmf_LoanAndSecurityAgreementMember