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3. INVENTORIES (Detail) - Inventory Detail (USD $)
Sep. 30, 2012
Dec. 31, 2011
Sep. 30, 2011
Raw materials $ 11,569,388 $ 8,303,064 $ 8,640,940
Work-in-process 923,646 476,991 688,133
Finished goods 60,642,767 56,342,273 69,689,314
Reserve for obsolescence or      
lower of cost or market (107,200) (103,280) (131,320)
Total $ 73,028,601 $ 65,019,048 $ 78,887,067