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Commitments and Contingencies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Commitment And Contingencies [Line Items]    
Lease Rent Expense $ 800us-gaap_LeaseAndRentalExpense $ 800us-gaap_LeaseAndRentalExpense
Chief Executive Officer and Ordway Properties, LLC    
Commitment And Contingencies [Line Items]    
Lease Rent Expense $ 314us-gaap_LeaseAndRentalExpense
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= vide_ChiefExecutiveOfficerAndOrdwayPropertiesLLCMember		 $ 314us-gaap_LeaseAndRentalExpense
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= vide_ChiefExecutiveOfficerAndOrdwayPropertiesLLCMember
Maximum    
Commitment And Contingencies [Line Items]    
Lease expiration year 2025  
Maximum | Chief Executive Officer and Ordway Properties, LLC    
Commitment And Contingencies [Line Items]    
Lease expiration year 2025