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2. LIQUIDITY (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Risks and Uncertainties [Abstract]        
Net losses $ (942,521) $ (949,631)    
Net cash used in operations (1,553,276) (222,177)    
Accumulated deficit (46,752,102)   $ (45,809,581)  
Proceeds from sale of stock   8,500,000    
Cash 2,432,300 $ 125,791 $ 3,849,456 $ 244,024
Working capital 4,575,615      
Possible proceeds from warrant exercises $ 15,978,411