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PROPERTY, PLANT AND EQUIPMENT
12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]
3. PROPERTY, PLANT AND EQUIPMENT

 

Property, plant and equipment consisted of the following, at cost (in thousands):

 

    As of December 31,  
    2011     2010  
Laboratory and manufacturing equipment   $ 2,979     $ 2,870  
Building and improvements     2,667       2,553  
Office furniture and equipment     253       225  
Construction in progress     1       40  
Land     50       50  
Property, plant and equipment, gross     5,950       5,738  
Less-accumulated depreciation     3,435       3,027  
Property, plant and equipment, net   $ 2,515     $ 2,711