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Note 2 - Summary of Significant Accounting Policies (Details)
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]    
Warranty Period 1 year  
One Customer [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]    
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]    
Concentration Risk, Number of Customers 1vivmf_ConcentrationRiskNumberOfCustomers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= vivmf_OneCustomerMember		  
Concentration Risk, Percentage 93.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= vivmf_OneCustomerMember		  
Three Customers [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]    
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]    
Concentration Risk, Number of Customers   3vivmf_ConcentrationRiskNumberOfCustomers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= vivmf_ThreeCustomersMember
Concentration Risk, Percentage   100.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= vivmf_ThreeCustomersMember