Quarterly report pursuant to Section 13 or 15(d)

CONTRACT ACCOUNTING (Schedule of Contract Liabilities on Uncompleted Contracts) (Details)

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CONTRACT ACCOUNTING (Schedule of Contract Liabilities on Uncompleted Contracts) (Details) - USD ($)
Mar. 31, 2018
Dec. 31, 2017
Revenue from Contract with Customer [Abstract]    
Billings and/or cash receipts on uncompleted contracts $ 1,302,579 $ 573,847
Less: Costs and estimated earnings recognized (579,997) (373,437)
Contract liabilities $ 722,582 $ 200,410