Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2020

Stockholders' Equity Note [Abstract]

Summary of warrant activity

The following is a summary of warrant activity.

	Warrants Outstanding			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value
Outstanding, December 31, 2018		419,167		$	61.00		3.48	$	—
Granted		25,355,000			0.97
Forfeited		—
Exercised		(6,120,000	)		0.50
Outstanding, December 31, 2019		19,654,167		$	1.57		2.76	$	1,111,600
Granted		—
Forfeited		(10,667	)		256.25
Exercised		—
Outstanding, December 31, 2020		19,643,500		$	1.50		1.76	$	—
Exercisable, December 31, 2020		19,643,500		$	1.50		1.76	$	—

Summary of exercise price for warrant outstanding

The exercise price for warrant outstanding and exercisable at December 31, 2020:

Outstanding				Exercisable
Number of		Exercise		Number of		Exercise
Warrants		Price		Warrants		Price
	15,880,000	$	0.50		15,880,000	$	0.50
	3,000,000		1.85		3,000,000		1.85
	500,000		2.70		500,000		2.70
	20,000		31.90		20,000		31.90
	100,000		50.00		100,000		50.00
	75,000		75.00		75,000		75.00
	50,000		100.00		50,000		100.00
	10,000		235.00		10,000		235.00
	7,500		250.00		7,500		250.00
	1,000		280.00		1,000		280.00
	19,643,500				19,643,500

Schedule of Assumptions

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

	December 31,
	2019
Risk-free interest rate	1.55%
Expected life of the options	3.1 to 3.6 years
Expected volatility	185%
Expected dividend yield	0%