Quarterly report pursuant to Section 13 or 15(d)

REVENUE (Schedule of Contract Assets on Uncompleted Contracts) (Details)

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REVENUE (Schedule of Contract Assets on Uncompleted Contracts) (Details) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
REVENUES:    
Costs and estimated earnings recognized $ 4,138,001 $ 3,700,124
Less: Billings or cash received (3,953,766) (2,324,204)
Contract assets $ 184,235 $ 1,375,920