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3. Property, Plant and Equipment (Details Narrative) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Disclosure3.PropertyPlantAndEquipmentDetailsNarrativeAbstract        
Depreciation expense $ 1,152,860 $ 1,211,565 $ 3,471,282 $ 1,976,031