Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended									12 Months Ended
	Dec. 01, 2014	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Dec. 31, 2014 Segment	Dec. 31, 2013	Dec. 31, 2012	Aug. 20, 2014
Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments											2us-gaap_NumberOfReportableSegments
Working capital excluding cash and cash equivalent		$ 18,800,000rvlt_WorkingCapitalNet				$ (1,800,000)rvlt_WorkingCapitalNet					$ 18,800,000rvlt_WorkingCapitalNet	$ (1,800,000)rvlt_WorkingCapitalNet
Convertible stock, Conversion of convertible securities	36,300,171us-gaap_ConversionOfStockSharesIssued1									46,153,692us-gaap_ConversionOfStockSharesIssued1
Line of credit facility, maximum borrowing amount		25,000,000									25,000,000			25,000,000
Bank loan payable		8,800,000us-gaap_LongTermLoansFromBank									8,800,000us-gaap_LongTermLoansFromBank
Borrowing capacity		4,500,000									4,500,000
Revenues realized		27,494,000us-gaap_SalesRevenueNet	26,877,000us-gaap_SalesRevenueNet	17,517,000us-gaap_SalesRevenueNet	4,952,000us-gaap_SalesRevenueNet	7,079,000us-gaap_SalesRevenueNet	5,313,000us-gaap_SalesRevenueNet	7,357,000us-gaap_SalesRevenueNet	6,311,000us-gaap_SalesRevenueNet		76,840,000us-gaap_SalesRevenueNet	26,060,000us-gaap_SalesRevenueNet	4,481,000us-gaap_SalesRevenueNet
Revenue from sales taxes											2,679,000us-gaap_ExciseAndSalesTaxes	547,000us-gaap_ExciseAndSalesTaxes
Maturity of temporary cash investments											3 months
Advertisement Expenses											300,000us-gaap_AdvertisingExpense	339,000us-gaap_AdvertisingExpense	171,000us-gaap_AdvertisingExpense
Net deferred tax liabilities		6,600,000us-gaap_DeferredTaxLiabilities									6,600,000us-gaap_DeferredTaxLiabilities
Business acquisition, number of shares to be issued											8,035,826
Anti-dilutive shares												20,232,230	17,314,926
Deemed distribution on exchange of preferred stock											5,301,000
Level 1
Summary Of Significant Accounting Policies [Line Items]
Cash equivalents at fair value		107,000				107,000					107,000	107,000
Minimum
Summary Of Significant Accounting Policies [Line Items]
Product warranty											1 year
Maximum
Summary Of Significant Accounting Policies [Line Items]
Product warranty											10 years
Contingent payment of stock issued for acquisitions of businesses											$ 11,700,000