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COSTS, BILLINGS, AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Costs incurred on uncompleted contracts    
Costs incurred on uncompleted contracts and estimated earnings $ 11,299,753 $ 5,785,132
Less billings to date (8,793,159) (1,621,409)
Unbilled contracts receivable 2,506,594 4,163,723
Costs in excess of billings on uncompleted contracts    
Cost and estimated earnings in excess of billings on uncompleted contracts 6,263,943 5,101,478
Billings in excess of costs and estimated earnings on uncompleted contracts (3,757,349) (937,755)
Unbilled contracts receivable $ 2,506,594 $ 4,163,723