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Shareholders' Deficit Shareholders' Deficit - Noncontrolling Interest (Details) (USD $)
12 Months Ended 0 Months Ended 3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
May 20, 2013
Dec. 31, 2013
Noncontrolling Interest [Line Items]        
Contributions from noncontrolling interests   $ 159,000novc_MinorityInterestIncreaseFromContributionsFromNoncontrollingInterestHolders    
Distibuted earnings 5,000us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders 776,000us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders    
Acquisition of noncontrolling interest for extinguishment of intercompany debt 0novc_ExchangeofNoncontrollingInterestforExtinguishmentofIntercompanyDebt 1,863,000novc_ExchangeofNoncontrollingInterestforExtinguishmentofIntercompanyDebt    
Other changes in noncontrolling interests 138,000us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation 502,000us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation    
StreetLinks LLC [Member]        
Noncontrolling Interest [Line Items]        
Distibuted earnings   800,000us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
/ dei_LegalEntityAxis
= novc_StreetlinksLlcMember
   
Advent Financial Services LLC [Member]        
Noncontrolling Interest [Line Items]        
Acquisition of noncontrolling interest for extinguishment of intercompany debt     1,900,000novc_ExchangeofNoncontrollingInterestforExtinguishmentofIntercompanyDebt
/ dei_LegalEntityAxis
= novc_AdventFinancialServicesLlcMember
 
Corvisa LLC (formerly CorvisaCloud, LLC) [Member]        
Noncontrolling Interest [Line Items]        
Purchase price       600,000us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesPurchaseOfInterestByParent
/ dei_LegalEntityAxis
= novc_CorvisaLLCFormerlyCorvisaCloudLLCMember
Mango Moving, LLC (Formerly Build My Move, LLC) [Member]        
Noncontrolling Interest [Line Items]        
Other changes in noncontrolling interests   $ 500,000us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation
/ dei_LegalEntityAxis
= novc_MangoMovingLlcFormerlyBuildMyMoveLlcMember