Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Summary of Stock Warrants

Stock Warrants

The following is a summary of the stock warrant plan activity during the years ended December 31, 2019 and 2018:

	2019		2018
	Number of Warrants	Weighted Average Exercise Price	Number of Warrants	Weighted Average Exercise Price
Warrants Outstanding at Beginning of the year	3,843,587	$5.53	1,200,000	$12.50
Granted	125,000	2.64	2,643,587	2.37
Exercised	9,300	2.40	-	-
Adjustment	-	-	-	-
Forfeited	-	-	-	-
Warrants Outstanding and Exercisable at End of Year	3,959,287	$5.45	3,843,587	$5.53

Schedule of Significant Assumptions Used in Option-pricing Model to Fair Value Options Granted

Significant assumptions used in the option-pricing model to fair value options granted were as follows:

	2018
Risk-free rate		2.65	%
Expected life	6 years
Expected volatility		108.00	%
Expected dividend		—

Summary of Stock Option Plan Activity

The following is a summary of the stock option plan activity during the years ended December 31, 2019 and 2018:

	2019				2018
	Number of		Weighted Average		Number of			Weighted Average
	Options		Exercise Price		Options			Exercise Price
Options Outstanding at Beginning of the year		19,300	$	57.91		11,290		$	111.07
Granted		-		-		10,000			10.00
Exercised		-		-		-			-
Adjustment		-		-		1,010			125.00
Forfeited		-		-		(3,000	)		120.83
Options Outstanding at End of Year		19,300	$	60.51		19,300		$	57.91
Options Exercisable at End of Year		11,800	$	84.49		6,630		$	105.68