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

Derivative liability (Tables)

v3.19.1
Derivative liability (Tables)
12 Months Ended
Dec. 31, 2018
Derivative Liability [Abstract]  
Schedule of changes in fair values of the derivative liability
    December 31,
2018
 
Balance, beginning   $ 3,655,690  
Warrants issued     8,935,289  
Warrants exercised     (131,053 )
Changes in fair value of derivative liabilities     (7,707,051 )
Balance, ending   $ 4,752,875  
Schedule of weighted average assumptions used in the Black-Scholes Option Pricing Model
    At Issue
Year ended
December 31,
2018
    December 31,
2018
 
Fair value of non-transferrable warrants outstanding   $ 5,845,587     $ 2,026,119  
Risk-free interest rate     2.32 %     1.86 %
Expected term (in years)     5.39       4.66  
Expected share price volatility     60 %     60 %