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Warrants (Narrative) (Details) - Warrant [Member] - USD ($)
Feb. 12, 2019
Nov. 21, 2018
8% Senior Secured Convertible Promissory Note - First Tranche [Member]    
Fair value assumptions - warrants:    
Fair value assumption methodology   Black scholes model
Stock price   $ 0.57
Strike price   $ 0.51
Time to expiration   5 years
Five year treasury constant maturity rate   2.33%
Volatility   253.00%
Dividend yield   0.00%
Fair value of each warrant   $ 0.5676
Fair value of warrant in aggregate   $ 195,271
8% Senior Secured Convertible Promissory Note - Second Tranche [Member]    
Fair value assumptions - warrants:    
Fair value assumption methodology Black scholes model  
Stock price $ 0.33  
Strike price $ 0.40  
Time to expiration 5 years  
Five year treasury constant maturity rate 2.34%  
Volatility 173.00%  
Dividend yield 0.00%  
Fair value of each warrant $ 0.35  
Fair value of warrant in aggregate $ 147,580