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5. PROPERTY, PLANT AND EQUIPMENT, NET (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Property, Plant and Equipment [Abstract]
Mineral rights	$ 6,475,614	$ 6,334,277
Buildings	51,782,238	50,905,337
Plant and machinery	169,451,661	166,121,329
Motor vehicles	9,344	9,140
Furniture, fixtures and office equipment	4,861,677	4,777,044
Construction in progress	308,622	0
Total	232,889,156	228,147,127
Less: Accumulated depreciation and amortization	(83,770,622)	(62,204,585)
Net book value	$ 149,118,534	$ 165,942,542

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Vehicles Gross

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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