Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Additional Information (Detail)

v2.4.1.9
Intangible Assets - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Goodwill [Line Items]  
Other intangible assets $ 0.02us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
LED Replacement lamps and fixtures  
Goodwill [Line Items]  
Other intangible assets 1.00us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill
/ us-gaap_ProductOrServiceAxis
= rvlt_LedReplacementLampsMember
Property and equipment $ 0.4us-gaap_TangibleAssetImpairmentCharges
/ us-gaap_ProductOrServiceAxis
= rvlt_LedReplacementLampsMember