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2. INVENTORIES (Details) - Inventory Detail - USD ($)
Dec. 31, 2015
Dec. 31, 2014
Inventory Detail [Abstract]    
Raw materials $ 12,494,980 $ 11,702,762
Work-in-process 1,155,837 577,127
Finished goods 63,340,242 72,957,153
Total $ 76,991,059 $ 85,237,042