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Note 5 - Property and Equipment
9 Months Ended
Sep. 30, 2017
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]
5
.
Property and Equipment
 
Property and equipment as shown on the accompanying Condensed Consolidated Balance Sheets is composed of th
e following as of
September 30, 2017
and
December 31, 2016:
 
   
September
30,
201
7
   
December 31,
201
6
 
Laboratory equipment
  $
530,306
    $
525,956
 
Leasehold improvements
   
115,605
     
115,605
 
Other furniture, fixtures & equipment
   
28,685
     
28,685
 
Total property and equipment
   
674,596
     
670,246
 
Accumulated depreciation and amortization
   
(636,112
)    
(615,418
)
Property and equipment, net
  $
38,484
    $
54,828