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3. INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2018
Inventory Disclosure [Abstract]  
Inventories
    June 30,
2018
  December 31,
2017
         
Raw materials   $ 14,414     $ 396,482  
Finished goods     166,680       844,224  
Allowance for obsolete and slow-moving inventory           (43,921 )
    $ 181,094     $ 1,196,785