Accounts Receivable

6 Months Ended

Jun. 30, 2014

Accounts Receivable [Abstract]

Accounts Receivable

4.          Accounts Receivable

At June 30, 2014 and December 31, 2013, the Company’s accounts receivable consisted of the following:

	2014			2013
Billed:
SG Block sales	$	167,782		$	258,287
Engineering services		43,348			12,344
Project management		157,575			71,594
Total gross receivables		368,705			342,225
Less: allowance for doubtful accounts		(131,805	)		(95,706	)
Total net receivables	$	236,900		$	246,519