Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable (Details)

v3.20.2
Accounts Receivable (Details) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
Summary of accounts receivable    
Total gross receivables $ 2,370,147 $ 1,887,080
Less: allowance for doubtful accounts (785,895) (785,895)
Total net receivables 1,584,252 1,101,185
Construction services [Member]    
Summary of accounts receivable    
Total gross receivables 1,773,473 1,321,575
Engineering services [Member]    
Summary of accounts receivable    
Total gross receivables 44,263 14,594
Retainage receivable [Member]    
Summary of accounts receivable    
Total gross receivables 543,416 544,911
Other receivable [Member]    
Summary of accounts receivable    
Total gross receivables $ 8,995 $ 6,000