Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Derivative Warrants Liability (Details 2)

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Derivative Warrants Liability (Details 2) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]      
Beginning Balances $ 1,063,745 $ 259,716  
Exercised   (297,200)  
Amount classified to equity upon exercise (128,965)    
Expired (178,498)    
Issued 19,655    
Changes in fair value (925,910) 1,101,229 [1] $ (117,577)
Ending Balances 28,525 1,063,745 259,716
Series (2015) [Member]      
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]      
Beginning Balances 554,416 76,768  
Exercised    
Amount classified to equity upon exercise (88,803)    
Expired (178,498)    
Issued    
Changes in fair value (281,119) 477,648  
Ending Balances 5,996 554,416 76,768
Series (2016) [Member]      
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]      
Beginning Balances 509,329 182,948  
Exercised   (297,200)  
Amount classified to equity upon exercise (40,162)    
Expired    
Issued    
Changes in fair value (466,293) 623,581  
Ending Balances 2,874 509,329 182,948
Series (2018) [Member]      
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]      
Beginning Balances  
Exercised    
Amount classified to equity upon exercise    
Expired    
Issued 19,655    
Changes in fair value  
Ending Balances $ 19,655
[1] See Note 2D