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17. Income Tax (Details 1) (USD $) | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011
Income Tax Disclosure [Abstract] |  |
United States | $ (2,981,086) | $ (17,188,080)
Foreign | (2,382,436) | (1,203,558)
Loss before income taxes | $ (5,363,522) | $ (18,391,638)

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