Quarterly report pursuant to sections 13 or 15(d)

Segment Assets (Detail)

v2.4.0.8
Segment Assets (Detail) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Schedule Of Assets By Segment [Line Items]    
Asset $ 49,076,062 $ 31,277,086
Reportable Segment
   
Schedule Of Assets By Segment [Line Items]    
Asset 48,679,012 29,285,543
Elimination of intercompany receivable
   
Schedule Of Assets By Segment [Line Items]    
Asset (4,881,219) (3,988,921)
Corporate assets
   
Schedule Of Assets By Segment [Line Items]    
Asset 5,278,269 5,980,464
LED Replacement Lamps and Fixtures
   
Schedule Of Assets By Segment [Line Items]    
Asset 44,074,408 24,548,886
LED Singnage and Lighting Strips
   
Schedule Of Assets By Segment [Line Items]    
Asset $ 4,604,604 $ 4,736,657