Annual report pursuant to Section 13 and 15(d)

Pro Forma Operating Loss Attributable to Acquisitions (Detail)

v2.4.1.9
Pro Forma Operating Loss Attributable to Acquisitions (Detail) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 12 Months Ended
Mar. 08, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Business Acquisition [Line Items]        
Gain on bargain purchase of business $ 743us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount   $ 743us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount  
Pro Forma charge for amortization of the intangible assets related to acquired backlog, not expected to recur after the first year following the year of acquisition   (5,149)us-gaap_AmortizationOfIntangibleAssets (2,859)us-gaap_AmortizationOfIntangibleAssets (266)us-gaap_AmortizationOfIntangibleAssets
Business Acquisition Pro Forma Net Income Loss Attributable To Parent, Total   (528)rvlt_BusinessAcquisitionProFormaNetIncomeLossAttributableToParent (5,298)rvlt_BusinessAcquisitionProFormaNetIncomeLossAttributableToParent  
Relume Technologies Inc        
Business Acquisition [Line Items]        
Loss on settlement of debt from proceeds of merger     (4,157)us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_BusinessAcquisitionAxis
= rvlt_RelumeTechnologiesIncMember
 
Gain on deconsolidation of subsidiary in bankruptcy proceedings     1,573us-gaap_DeconsolidationGainOrLossAmount
/ us-gaap_BusinessAcquisitionAxis
= rvlt_RelumeTechnologiesIncMember
 
Business acquisition, charges     (350)rvlt_SellerBusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= rvlt_RelumeTechnologiesIncMember
 
Relume Technologies Inc | Change of Control        
Business Acquisition [Line Items]        
Business acquisition, charges     (737)rvlt_SellerBusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= rvlt_RelumeTechnologiesIncMember
/ us-gaap_NoncashOrPartNoncashAcquisitionsByUniqueDescriptionAxis
= rvlt_ChangeOfControlMember
 
Value Lighting        
Business Acquisition [Line Items]        
Business acquisition, charges   (528)rvlt_SellerBusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= rvlt_ValueLightingMember
   
Pro Forma charge for amortization of the intangible assets related to acquired backlog, not expected to recur after the first year following the year of acquisition     $ (2,370)us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_BusinessAcquisitionAxis
= rvlt_ValueLightingMember