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4. INVENTORIES (Details) - USD ($)
Dec. 31, 2015
Dec. 31, 2014
Inventories Details    
Completed goods $ 1,162,571 $ 1,449,640
Work in progress 10,466 1,216
Raw materials 2,102,439 2,019,582
Inventories $ 3,275,476 $ 3,467,438