Annual report pursuant to Section 13 and 15(d)

CONTRACT ACCOUNTING (Schedule of costs and estimated earnings) (Details)

v3.21.1
CONTRACT ACCOUNTING (Schedule of costs and estimated earnings) (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Contractors [Abstract]    
Costs and estimated earnings recognized $ 4,152,850 $ 3,700,124
Less: Billings or cash received (4,050,392) (2,324,204)
Contract Assets $ 102,458 $ 1,375,920