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C. BALANCE SHEET COMPONENTS (Tables)
12 Months Ended
Dec. 31, 2018
C. Balance Sheet Components  
Property, plant and equipment
   

December 31,

2018

   

December 31,

2017

 
Laboratory equipment   $ 354,861     $ 354,861  
Computer equipment and software     96,593       88,998  
Office furniture and fixtures     130,192       130,192  
      581,646       574,051  
Less: Accumulated depreciation     (573,121 )     (564,106 )
    $ 8,525     $ 9,945  
Accrued liabilities
   

December 31,

2018

   

December 31,

2017

 
Operating costs   $ 244,456     $ 39,252  
Employee related     571,399       324,054  
    $ 815,855     $ 363,306