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Note 8 - Common Stock (Details) (USD $)
1 Months Ended 9 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended
Sep. 23, 2014
Jun. 30, 2009
Sep. 30, 2014
Dec. 30, 2013
Dec. 31, 2007
May 09, 2014
Sep. 30, 2014
Dec. 31, 2013
Dec. 31, 2012
Apr. 30, 2012
Note 8 - Common Stock (Details) [Line Items]                    
Conversion of Stock, Shares Issued 3,743,282us-gaap_ConversionOfStockSharesIssued1                  
Conversion of Stock, Exchange Ratio 0.0080497vivmf_ConversionOfStockExchangeRatio                  
Debt Conversion, Original Debt, Amount (in Dollars) $ 1,545,678us-gaap_DebtConversionOriginalDebtAmount1   $ 1,545,678us-gaap_DebtConversionOriginalDebtAmount1   $ 501,873us-gaap_DebtConversionOriginalDebtAmount1          
Stock Issued During Period, Shares, New Issues 11,305,567us-gaap_StockIssuedDuringPeriodSharesNewIssues                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 940,189us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights     16,680,324us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights       16,680,324us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights 16,680,324us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights  
Proceeds from Issuance of Private Placement (in Dollars) 6,000,000us-gaap_ProceedsFromIssuanceOfPrivatePlacement   4,204,220us-gaap_ProceedsFromIssuanceOfPrivatePlacement              
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share) $ 0.53us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1             $ 0.06us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1    
Warrant Term 5 years                  
Common Stock, Shares Authorized               612,000,000us-gaap_CommonStockSharesAuthorized 612,000,000us-gaap_CommonStockSharesAuthorized 612,000,000us-gaap_CommonStockSharesAuthorized
Dividends (in Dollars)     0us-gaap_Dividends 0us-gaap_Dividends            
Shares Subject to Repurchase, Lapse Period       4 years            
Treasury Stock, Shares, Acquired   565,833us-gaap_TreasuryStockSharesAcquired                
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased       666us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased         194,441us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased  
Accrued Interest [Member] | GBS [Member]                    
Note 8 - Common Stock (Details) [Line Items]                    
Debt Conversion, Original Debt, Amount (in Dollars)           211,000us-gaap_DebtConversionOriginalDebtAmount1
/ us-gaap_CounterpartyNameAxis
= vivmf_GBSMember
/ us-gaap_DebtInstrumentAxis
= vivmf_AccruedInterestMember
       
September 2014 Term Loan [Member]                    
Note 8 - Common Stock (Details) [Line Items]                    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     471,698us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_DebtInstrumentAxis
= vivmf_September2014TermLoanMember
      471,698us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_DebtInstrumentAxis
= vivmf_September2014TermLoanMember
     
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share)     $ 0.53us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_DebtInstrumentAxis
= vivmf_September2014TermLoanMember
      $ 0.53us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_DebtInstrumentAxis
= vivmf_September2014TermLoanMember
     
Warrant Term     10 years       10 years      
Warrants and Rights Outstanding (in Dollars)     622,170us-gaap_WarrantsAndRightsOutstanding
/ us-gaap_DebtInstrumentAxis
= vivmf_September2014TermLoanMember
      622,170us-gaap_WarrantsAndRightsOutstanding
/ us-gaap_DebtInstrumentAxis
= vivmf_September2014TermLoanMember
     
Fair Value Assumptions, Expected Dividend Rate             0.00%us-gaap_FairValueAssumptionsExpectedDividendRate
/ us-gaap_DebtInstrumentAxis
= vivmf_September2014TermLoanMember
     
Fair Value Assumptions, Expected Volatility Rate             77.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_DebtInstrumentAxis
= vivmf_September2014TermLoanMember
     
Fair Value Assumptions, Risk Free Interest Rate             2.50%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_DebtInstrumentAxis
= vivmf_September2014TermLoanMember
     
GBS [Member]                    
Note 8 - Common Stock (Details) [Line Items]                    
Class of Warrant or Right, Number of Securities Called by Warrants as Percentage of Outstanding Shares of Common Stock           5.00%vivmf_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsAsPercentageOfOutstandingSharesOfCommonStock
/ us-gaap_CounterpartyNameAxis
= vivmf_GBSMember
       
Debt Conversion, Original Debt, Amount (in Dollars)           $ 1,750,000us-gaap_DebtConversionOriginalDebtAmount1
/ us-gaap_CounterpartyNameAxis
= vivmf_GBSMember
       
Stock Issued During Period, Shares, Other           943,596us-gaap_StockIssuedDuringPeriodSharesOther
/ us-gaap_CounterpartyNameAxis
= vivmf_GBSMember