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3. INVENTORY
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
INVENTORY

3. INVENTORY

 

Inventory consists of the following:

 

   September 30,   December 31, 
   2020   2019 
Finished goods  $306,293   $716,478 
Work in process   583,217    303,594 
Raw materials   1,040,626    835,232 
Inventory allowance   (11,424)   (11,424)
Total inventory  $1,918,712   $1,843,880