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Leasehold Improvements and Equipment
3 Months Ended
Mar. 31, 2012
Leasehold Improvements and Equipment [Text Block]
Note 3.   Leasehold Improvements and Equipment
 
Leasehold improvements and equipment consisted of the following:
 
   
March 31, 2012
   
December 31, 2011
 
             
Laboratory equipment
  $ 2,415,463     $ 2,378,122  
Leasehold improvements
    403,971       403,971  
Computer equipment
    355,319       302,518  
Furniture and fixtures
    18,313       18,313  
Office equipment
    7,877       7,877  
Construction in progress
    101,700       149,086  
      3,302,643       3,259,887  
Less accumulated depreciation
    2,162,156       2,087,599  
    $ 1,140,487     $ 1,172,288