Quarterly report pursuant to Section 13 or 15(d)

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

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CONTRACT ACCOUNTING (Schedule of Contract Assets on Uncompleted Contracts) (Details) - USD ($)
Mar. 31, 2018
Dec. 31, 2017
Revenue from Contract with Customer [Abstract]    
Costs and estimated earnings recognized $ 1,200,590 $ 1,613,731
Less: Billings or cash received (592,303) (1,189,938)
Contract assets $ 608,287 $ 423,793