Quarterly report pursuant to sections 13 or 15(d)

Goodwill (Details Textual)

v2.4.0.6
Goodwill (Details Textual) (USD $)
6 Months Ended 12 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2012
LED Replacement Lamps [Member]
Jun. 30, 2012
LED Replacement Lamps [Member]
Dec. 31, 2011
LED Signage and Lighting Strips [Member]
Goodwill (Textual) [Abstract]          
Impairment charge $ 1,988,920 $ 407,369 $ 1,988,920 $ 1,988,920 $ 407,369