7. Stockholders' Equity: Fair Value of Warrants Series F Preferred Stock (Tables)

9 Months Ended

Sep. 30, 2017

Tables/Schedules

Fair Value of Warrants Series F Preferred Stock

Preferred Series	F	F	F
Issue Date	February 7, 2017	March 1, 2017	March 31, 2017
Risk-free interest rate	1.85%	1.99%	1.93%
Expected dividend yield	0	0	0
Expected term (in years)	5	5	5
Expected volatility	153.3%	155.4%	157.4%