Annual report pursuant to Section 13 and 15(d)

Business Acquisition Proforma Information (Detail)

v2.4.1.9
Business Acquisition Proforma Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Business Acquisition, Pro Forma Information [Line Items]    
Revenues $ 96,190us-gaap_BusinessAcquisitionsProFormaRevenue $ 84,584us-gaap_BusinessAcquisitionsProFormaRevenue
Operating loss (9,837)rvlt_BusinessAcquisitionsProFormaOperatingIncomeLoss (13,709)rvlt_BusinessAcquisitionsProFormaOperatingIncomeLoss
Net Loss $ (4,393)us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss $ (20,992)us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss