3. INVENTORIES (Details) - Inventory Detail (USD $)	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Inventory Detail [Abstract]
Raw materials	$ 15,478,537	$ 10,611,641	$ 12,792,812
Work-in-process	1,010,923	407,262	993,791
Finished goods	64,787,021	56,359,742	60,371,168
Reserve for obsolescence or lower of cost or market	(116,540)	(182,400)	(108,850)
Total	$ 81,159,941	$ 67,196,245	$ 74,048,921