Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2018

Stockholders' Equity Note [Abstract]

Summary of warrant activity

The following is a summary of warrant activity since December 31, 2017:

					Weighted
			Weighted		Average
			Average		Remaining		Aggregate
	Warrants		Exercise		Contractual		Intrinsic
	Outstanding		Price		Life		Value
Outstanding, December 31, 2017		22,760,416	$	0.55		4.67	$	13,640,000
Granted		5,650,000		2.17
Forfeited		0
Exercised		0
Outstanding, June 30, 2018		28,410,416	$	0.87		4.25	$	26,400,000
Exercisable, June 30, 2018		27,910,416	$	0.89		4.24	$	26,400,000

Summary of exercise price for warrant outstanding

The exercise price for warrant outstanding and exercisable at June 30, 2018:

Outstanding				Exercisable
	Number of		Exercise		Number of		Exercise
	Warrants		Price		Warrants		Price
	22,000,000	$	0.50		22,000,000	$	0.50
	3,000,000		1.85		3,000,000		1.85
	666,666		2.00		666,666		2.00
	93,750		2.25		93,750		2.25
	1,000,000		2.35		1,000,000		2.35
	650,000		2.50		650,000		2.50
	500,000		2.70		500,000		2.70
	500,000		2.80		—		2.80
	28,410,416				27,910,416