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Leasehold Improvements and Equipment
6 Months Ended
Jun. 30, 2012
Interim Financial Statements  
Note 3. Leasehold Improvements and Equipment [Text Block]

Leasehold improvements and equipment consisted of the following:

   June 30, 2012  December 31, 2011
           
Laboratory equipment  $2,415,463   $2,378,122 
Leasehold improvements   403,971    403,971 
Computer equipment   356,962    302,518 
Furniture and fixtures   18,313    18,313 
Office equipment   7,877    7,877 
Construction in progress   107,557    149,086 
    3,310,143    3,259,887 
Less accumulated depreciation   2,243,482    2,087,599 
   $1,066,661   $1,172,288