Stock Options and Restricted Stock Units (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Common Stock Options Issued Under Option Plans

A summary of the common stock options issued under the Option Plans and the 2016 Plan for the period from December 31, 2017 through December 31, 2018 follows:

	Number Outstanding		Weighted Avg. Exercise Price		Weighted Avg. Remaining Contractual Life (Years)
Balance, December 31, 2016		6,115,480	$	0.21		7.1
Options issued		800,000		0.21		9.2
Options exercised		-
Options cancelled		-
Balance, December 31, 2017		6,915,480	$	0.21		5.6
Options issued		1,600,000		0.10		9.3
Options exercised		—		—		—
Options cancelled		—		—		—
Balance, December 31, 2018		8,515,480	$	0.12		5.5

Schedule of Vested and Exercisable Options at Period End

The vested and exercisable options at period end follows:

	Exercisable/ Vested Options Outstanding		Weighted  Avg. Exercise Price		Weighted Avg. Remaining Contractual Life (Years)
Balance, December 31, 2018		8,515,480	$	0.19		6.00

Schedule of Fair Value of New Stock Options Granted Using the Assumptions

The fair value of new stock options and warrants granted and repriced stock options using the Black-Scholes option pricing model was calculated using the following assumptions for the year ended December 31, 2018:

	Year Ended December 31, 2018
Risk free interest rate		2.61 – 2.66	%
Expected volatility		131.4	%
Expected dividend yield		0	%
Expected term in years		3.0
Average value per options	$	0.04 – 0.05

The fair value of new stock options and warrants granted using the Black-Scholes option pricing model was calculated using the following assumptions for the year ended December 31, 2017:

	Year Ended December 31, 2017
Risk free interest rate		1.28-1.84	%
Expected volatility		101.2-125.0	%
Expected dividend yield		0	%
Expected term in years		2.08-5.25
Average value per options	$	0.04-0.08