XML 43 R33.htm IDEA: XBRL DOCUMENT v3.7.0.1
Accounts Receivable (Details) - USD ($)
Mar. 31, 2017
Dec. 31, 2016
Summary of accounts receivable    
Total gross receivables $ 142,278 $ 268,753
Less: allowance for doubtful accounts (34,235) (34,235)
Total net receivables 108,043 234,518
Billed SG Block sales [Member]    
Summary of accounts receivable    
Total gross receivables 57,997 124,713
Billed Engineering services [Member]    
Summary of accounts receivable    
Total gross receivables 84,281 144,040
Billed Project management [Member]    
Summary of accounts receivable    
Total gross receivables