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3. INTANGIBLE ASSETS (Tables)
 6 Months Ended
Jun. 30, 2019
LIABILITIES AND STOCKHOLDERS' DEFICIT  
Intangible Assets
   June 30,
2019		   December 31,
2018		 
Patents and trademarks  $36,073   $36,073 
Platform   4,761,133    4,105,780 
Kiosk   64,802    64,802 
Licenses   511,697    433,685 
    5,373,705    4,640,340 
Less: accumulated amortization   3,105,094    2,524,407 
Intangible assets, net  $2,268,611   $2,115,933