| Subsequent Events | 6 Months Ended | 
|---|---|
| Jun. 30, 2011 | |
| Subsequent Events [Abstract] | |
| Subsequent Events [Text Block] |  SUBSEQUENT EVENTS   On July 14, 2011, the Company acquired Applied Energy Group, Inc. ("AEG"), a privately held company providing energy efficiency and demand side management consulting services. AEG is headquartered in Islandia, NY, and currently serves utilities and government agencies in the Northeast, Mid-Atlantic, Midwest and other regions. The Company has evaluated subsequent events through the date of this filing. Except as disclosed above, there were no other subsequent events to report. |