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Consolidated Statements of Operations and Comprehensive Loss (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Revenue: |  |
SG Block sales | $ 1,528,158 | $ 3,436,904
Engineering services | 596,665 | 121,327
Project management | 325,842 | 406,565
Total revenue | 2,450,665 | 3,964,796
Cost of revenue: |  |
SG Block sales | 1,153,450 | 2,927,145
Engineering services | 499,899 | 104,348
Project management | 344,389 | 376,425
Total cost revenue | 1,997,738 | 3,407,918
Gross profit | 452,927 | 556,878
Operating expenses: |  |
Payroll and related expenses | 1,357,717 | 1,084,953
General and administrative expenses | 880,774 | 1,014,212
Marketing and business development expense | 85,428 | 443,857
Pre-project expenses | 69,432 | 72,936
Total | 2,393,351 | 2,615,958
Operating loss | (1,940,424) | (2,059,080)
Other income (expense): |  |
Interest expense | (8,220) | (3,733)
Interest income | 139 | 110
Change in fair value of financial instruments | 80,352 | (86,122)
Cancellation of trade liabilities and unpaid interest | 102,128 | 239,250
Total | 174,399 | 149,505
Net loss | (1,766,025) | (1,909,575)
Comprehensive loss |  |
Foreign currency translation adjustment | (571) |
Total comprehensive loss | $ (1,766,596) | $ (1,909,575)
Net loss per share - basic and diluted: |  |
Basic and diluted | $ (0.04) | $ (0.05)
Weighted average shares outstanding: |  |
Basic and diluted | 41,378,216 | 35,411,704

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