Annual report pursuant to Section 13 and 15(d)

Convertible Promissory Notes - Additional Information (Detail)

v2.4.1.9
Convertible Promissory Notes - Additional Information (Detail) (USD $)
 0 Months Ended 12 Months Ended
Sep. 25, 2012
Dec. 31, 2014
Dec. 31, 2012
Convertible Promissory Notes And Warrants [Line Items]      
Convertible Promissory note, cash paid upon conversion $ 880,000us-gaap_RepaymentsOfConvertibleDebt    
Debt extinguished amount 2,400,000us-gaap_ExtinguishmentOfDebtAmount 12,600,000us-gaap_ExtinguishmentOfDebtAmount  
Gain on debt restructuring 1,048,000us-gaap_GainsLossesOnRestructuringOfDebt   1,048,000us-gaap_GainsLossesOnRestructuringOfDebt
Gain from vendor concessions     $ 154,000rvlt_RecognizedGainOnVendorConcessions
Increase (decrease) in Basic and Diluted per share     $ 0.01rvlt_EarningsPerShareBasicAndDilutedIncreaseDecrease
Gain (Loss) on Debt Restructuring      
Convertible Promissory Notes And Warrants [Line Items]      
Decrease in basic and diluted loss per share due to gain on debt restructuring $ 0.05rvlt_IncreaseDecreaseInEarningsPerShareBasicAndDiluted
/ rvlt_ComponentOfOtherExpenseIncomeNonoperatingAxis
= rvlt_GainLossOnDebtRestructuringMember 		   
Common Stock      
Convertible Promissory Notes And Warrants [Line Items]      
Convertible Promissory note, common stock shares issued upon conversion 1,000,000us-gaap_DebtConversionConvertedInstrumentSharesIssued1
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember