3. INVENTORIES (Detail) - Inventory Detail (USD $)	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Raw materials	$ 13,363,226	$ 10,611,641	$ 10,998,966
Work-in-process	663,388	407,262	628,803
Finished goods	54,341,967	56,359,742	52,601,357
Reserve for obsolescence or lower of cost or market	(110,480)	(182,400)	(115,780)
Total	$ 68,258,101	$ 67,196,245	$ 64,113,346