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3. Property, Plant and Equipment (Details Narrative) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Property Plant And Equipment Details Narrative        
Depreciation expense $ 1,153,167 $ 419,549 $ 2,318,422 $ 764,466