Annual report pursuant to Section 13 and 15(d)

Net Revenues by Geographic Location (Detail)

v2.4.1.9
Net Revenues by Geographic Location (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
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, 2014
Dec. 31, 2013
Dec. 31, 2012
Revenue, Major Customer [Line Items]                      
Revenue $ 27,494us-gaap_SalesRevenueNet $ 26,877us-gaap_SalesRevenueNet $ 17,517us-gaap_SalesRevenueNet $ 4,952us-gaap_SalesRevenueNet $ 7,079us-gaap_SalesRevenueNet $ 5,313us-gaap_SalesRevenueNet $ 7,357us-gaap_SalesRevenueNet $ 6,311us-gaap_SalesRevenueNet $ 76,840us-gaap_SalesRevenueNet $ 26,060us-gaap_SalesRevenueNet $ 4,481us-gaap_SalesRevenueNet
United States                      
Revenue, Major Customer [Line Items]                      
Revenue                 74,839us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_US
25,243us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_US
3,901us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_US
Canada                      
Revenue, Major Customer [Line Items]                      
Revenue                 1,839us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_CA
574us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_CA
383us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= country_CA
Other                      
Revenue, Major Customer [Line Items]                      
Revenue                 $ 162us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= rvlt_OtherCountriesMember
$ 243us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= rvlt_OtherCountriesMember
$ 197us-gaap_SalesRevenueNet
/ us-gaap_StatementGeographicalAxis
= rvlt_OtherCountriesMember