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8. CONVERTIBLE DEBT (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Interest expense $ 50,000 $ 53,000 $ 150,000 $ 168,878
Expected dividend yield 0.00%   0.00%  
Remaining term (years)     3 years  
Amortization expense $ 0 $ 7,851 $ 17,534 $ 23,792
Minimum        
Expected volatility 104.06%   104.06%  
Risk-free rate 1.49%   1.49%  
Maximum        
Expected volatility 111.54%   111.54%  
Risk-free rate 1.59%   1.59%