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17. Income Tax (Details 3) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Deferred tax assets (liabilities): |  |
Organization, start-up costs & intangible assets | $ 9,898,832 | $ 8,916,114
Stock-based compensation | 233,365 | 588,192
Property, plant and equipment deferred tax asset | (14,546,837) | 2,511,067
Net operating loss carryforward | 38,790,667 | 11,578,808
Convertible debt | (9,382) | (103,127)
Credit carryforward | 1,500,000 | 1,500,000
Debt extinguishment | 1,822,458 |
Other, net | 839,555 | 589,890
Total deferred tax assets (liabilities) | 38,528,658 | 25,580,944
Less valuation allowance | (38,528,658) | (25,580,944)
Deferred tax assets (liabilities) |  |

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