Accounts Receivable (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Summary of accounts receivable
Total gross receivables	$ 849,124	$ 458,825
Less: allowance for doubtful accounts	(174,430)	(174,430)
Total net receivables	674,694	284,395
Billed SG Block sales [Member]
Summary of accounts receivable
Total gross receivables	472,728	207,390
Billed Engineering services [Member]
Summary of accounts receivable
Total gross receivables	147,764	216,535
Billed Project management [Member]
Summary of accounts receivable
Total gross receivables	$ 228,632	$ 34,900