Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable (Tables)

v2.4.0.8
Accounts Receivable (Tables)
3 Months Ended
Mar. 31, 2014
Accounts Receivable [Abstract]  
Summary of accounts receivable
 
   
2014
   
2013
 
Billed:
           
SG Block sales
  $ 241,423     $ 258,287  
Engineering services
    11,774       12,344  
Project management
    81,140       71,594  
Total gross receivables
    334,337       342,225  
Less: allowance for doubtful accounts
    (95,706 )     (95,706 )
Total net receivables
  $ 238,631     $ 246,519