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12. Segment Information (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Revenues    
India $ 1,584 $ 11,541
North America 59,081 7,879
Total revenues 60,665 19,420
Cost of goods sold    
India 1,632 10,755
North America 43,409 8,418
Total cost of goods sold 45,041 19,173
Gross profit/(loss)    
India (48) 786
North America 15,672 (539)
Total gross profit/(loss) $ 15,624 $ 247