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PROPERTY AND EQUIPMENT
 3 Months Ended
Mar. 31, 2021
PROPERTY AND EQUIPMENT [Abstract]  
PROPERTY AND EQUIPMENT
NOTE 6
PROPERTY AND EQUIPMENT
 
Property and equipment consist of the following:
 
  
March 31,
  
December 31,
 
  
2021
  
2020
 
 Laboratory and manufacturing equipment
 
$
299,839
  
$
299,839
 
 Leasehold improvements
  
414,504
   
414,504
 
   
714,343
   
714,343
 
 Less: accumulated depreciation and amortization
  
(145,400
)
  
(120,237
)
 Property and equipment, net
 
$
568,943
  
$
594,106
 
 
Depreciation expense charged to operations during the three months ended March 31, 2021 was $25,163. Depreciation expense charged to operations was $22,999 during the three months ended March 31, 2020.