Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2019

Stockholders' Equity Note [Abstract]

Summary of warrant activity

The following is a summary of warrant activity since December 31, 2018:

					Weighted
			Weighted		Average
			Average		Remaining		Aggregate
	Warrants		Exercise		Contractual		Intrinsic
	Outstanding		Price		Life		Value
Outstanding, December 31, 2018		41,916,666	$	0.61		3.48	$	—
Granted		11,000,000		0.63
Forfeited		—
Exercised		—
Outstanding, March 31, 2019		52,916,666	$	0.61		3.23	$	260,000
Exercisable, March 31, 2019		52,416,666	$	0.62		3.22	$	260,000

Summary of exercise price for warrant outstanding

The exercise price for warrant outstanding and exercisable at March 31, 2019:

Outstanding				Exercisable
	Number of		Exercise		Number of		Exercise
	Warrants		Price		Warrants		Price
	2,000,000	$	0.32		2,000,000	$	0.32
	32,000,000	$	0.50		32,000,000	$	0.50
	7,500,000		0.75		7,500,000		0.75
	5,000,000		1.00		5,000,000		1.00
	3,000,000		1.85		3,000,000		1.85
	666,666		2.00		666,666		2.00
	1,000,000		2.35		1,000,000		2.35
	750,000		2.50		750,000		2.50
	500,000		2.70		500,000		2.70
	500,000		2.80		—		2.80
	52,916,666				52,416,666

Schedule of Assumptions

The fair value of the warrants listed above was determined using the Black-Scholes option pricing model with the following assumptions:

	March 31,			December 31,
	2019			2018
Risk-free interest rate		2.49	%		2.65	%
Expected life of the options		5 years			5 years
Expected volatility		200	%		210	%
Expected dividend yield		0	%		0	%