Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Revenue:
SG Block sales	$ 2,320,630	$ 5,727,007
Engineering services	65,154	159,345
Project management	20,000	150,601
Total revenue	2,405,784	6,036,953
Cost of revenue:
SG Block sales	1,832,086	4,389,312
Engineering services	48,776	94,887
Project management	17,000	85,939
Total cost revenue	1,897,862	4,570,138
Gross profit	507,922	1,466,815
Operating expenses:
Payroll and related expenses	1,003,699	1,216,300
General and administrative expenses	790,611	793,476
Marketing and business development expense	123,852	178,505
Pre-project expenses	35,082	31,330
Total	1,953,244	2,219,611
Operating loss	(1,445,322)	(752,796)
Other income (expense):
Interest expense	(1,944,487)	(1,066,833)
Interest income	22	24
Change in fair value of financial instruments	646,671	1,386,469
Loss on extinguishment		(1,104,179)
Total	(1,297,794)	(784,519)
Net loss	$ (2,743,116)	$ (1,537,315)
Net loss per share - basic and diluted:
Basic and diluted	$ (0.06)	$ (0.04)
Weighted average shares outstanding:
Basic and diluted	42,918,927	42,787,865