General form of registration statement for all companies including face-amount certificate companies

13. Warrants (Details Narrative)

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13. Warrants (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Sep. 30, 2019
Dec. 31, 2016
Gross proceeds from exercise of warrants   $ 3,866,573    
Warrants issued 930,001      
Fair value of warrants issued $ 1,471,111      
Warrant [Member]        
Warrants outstanding 5,899,389 3,414,389 10,345,281 1,651,698
Reload Warrants [Member]        
Warrants issued   799,991    
Market Price Warrants [Member]        
Warrants issued   371,699    
Private Transaction [Member]        
Gross proceeds from exercise of warrants   $ 3,866,573    
Fair value of warrants issued   $ 1,402,174    
Stock issued new, shares   1,171,689    
Private Transaction [Member] | Chardan [Member]        
Payment of stock issuance costs   $ 363,617    
Private Transaction [Member] | New Warrants [Member] | Chardan [Member]        
Warrants issued   115,000    
Direct Offering [Member]        
Warrants issued   1,647,691    
Stock issued new, shares   1,647,691    
Gross proceeds from sale of equity   $ 6,425,995    
January 2018 Private Placement [Member]        
Warrants issued 685,000