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3. INTANGIBLE ASSETS (Tables)
12 Months Ended
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
   December 31, 2018   December 31, 2017 
Patents and trademarks  $36,073   $34,771 
Platform   4,105,780    2,808,886 
Kiosk Development   64,802    64,802 
Licenses   433,685    393,958 
    4,640,340    3,302,417 
Less: accumulated amortization   2,524,407    1,662,860 
Intangible assets, net  $2,115,933   $1,639,557