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2. INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Inventories
    June 30,
2020
  December 31,
2019
         
Raw materials   $ 29,304     $ 20,928  
Finished goods     494,324       669,159  
    $ 523,628     $ 690,087