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Consolidated Statements of Operations and Comprehensive Loss (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Revenue:    
SG Block sales $ 3,195,764 $ 1,528,158
Engineering services 109,138 596,665
Project management 2,427,874 325,842
Total revenue 5,732,776 2,450,665
Cost of revenue:    
SG Block sales 2,550,275 1,153,450
Engineering services 27,667 499,899
Project management 2,571,277 344,389
Total cost revenue 5,149,219 1,997,738
Gross profit 583,557 452,927
Operating expenses:    
Payroll and related expenses 1,350,953 1,357,717
General and administrative expenses 932,862 880,774
Marketing and business development expense 124,496 85,428
Pre-project expenses 34,021 69,432
Total 2,442,332 2,393,351
Operating loss (1,858,775) (1,940,424)
Other income (expense):    
Interest expense (689,156) (8,220)
Interest income 126 139
Change in fair value of financial instruments 358,973 80,352
Cancellation of trade liabilities and unpaid interest 25,530 102,128
Total (304,527) 174,399
Net loss (2,163,302) (1,766,025)
Comprehensive loss    
Foreign currency translation adjustment 571 (571)
Total comprehensive loss $ (2,162,731) $ (1,766,596)
Net loss per share - basic and diluted:    
Basic and diluted $ (0.05) $ (0.04)
Weighted average shares outstanding:    
Basic and diluted 42,327,819 41,378,216