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Construction Backlog
12 Months Ended
Dec. 31, 2014
Construction Backlog [Abstract]  
Construction Backlog
13.

Construction Backlog

 

The following represents the backlog of signed engineering and project management contracts in existence at December 31, 2014 and 2013:

 

   2014  2013 
 Balance - January 1 $49,593  $1,405,803 
 New contracts and change orders during the period  271,503   1,180,802 
    321,096   2,586,605 
 Less: contract revenue earned during the period  (314,896)  (2,537,012)
    6,200   49,593 
 Contracts signed but not started  -   - 
 Balance - December 31 $6,200  $49,593