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PROPERTY, PLANT AND EQUIPMENT (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Laboratory and manufacturing equipment $ 3,038,796 $ 3,029,559
Building and improvements 2,788,270 2,785,698
Office furniture and equipment 313,589 312,979
Construction in progress 4,137 0
Land 50,000 50,000
Property, plant and equipment, gross 6,194,792 6,178,236
Less: accumulated depreciation 3,917,037 3,820,627
Property, plant and equipment, net $ 2,277,755 $ 2,357,609