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12. Segment Information (Details) (USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Revenues |  |  |  |
India | $ 11,520,882 | $ 2,211,109 | $ 23,062,075 | $ 4,524,806
North America | 35,831,627 | 42,068,757 | 43,710,648 | 83,950,836
Other |  |  |  |
Total revenues | 47,352,509 | 44,279,866 | 66,772,723 | 88,475,642
Cost of goods sold |  |  |  |
India | 8,878,236 | 2,426,783 | 19,633,011 | 4,834,372
North America | 34,724,006 | 43,874,023 | 43,141,731 | 87,920,722
Other |  |  |  |
Total cost of goods sold | 43,602,242 | 46,300,806 | 62,774,742 | 92,755,094
Gross profit/(loss) |  |  |  |
India | 2,642,646 | (215,674) | 3,429,064 | (309,566)
North America | 1,107,621 | (1,805,266) | 568,917 | (3,969,886)
Other |  |  |  |
Total gross profit/(loss) | $ 3,750,267 | $ (2,020,940) | $ 3,997,981 | $ (4,279,452)

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