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8. CONVERTIBLE DEBT (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Remaining term (years) 3 years  
Expected dividend yield 0.00%  
Amortization expense $ 17,534 $ 8,037
Interest expense $ 50,000 $ 60,000
Minimum    
Expected volatility 104.06%  
Risk-free rate 1.49%  
Maximum    
Expected volatility 111.54%  
Risk-free rate 1.59%