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PROPERTY, PLANT AND EQUIPMENT
3 Months Ended
Mar. 31, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]
4. PROPERTY, PLANT AND EQUIPMENT

 

Property, plant and equipment consisted of the following, at cost:

 

    As of 
March 31, 2013
    As of 
December 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        
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