Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

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

Schedule of Fair Value of Each Option Award Estimated Assumption

For stock options requiring an assessment of value during the year ended December 31, 2015, the fair value of each stock option award was estimated using the Black-Scholes option-pricing model with the following assumptions:

Risk-free interest rate	0.68% to 1.66	%
Expected dividend yield	0	%
Expected volatility	243	%
Expected life	3.5 to 5.0 years

For stock options requiring an assessment of value during the year ended December 31, 2014, the fair value of each stock option award was estimated using the Black-Scholes option-pricing model with the following assumptions:

Risk-free interest rate	1.15% to 1.75	%
Expected dividend yield	0	%
Expected volatility	173% to 380	%
Expected life	4.0 to 5.0 years

Summary of Stock Option Activity

A summary of stock option activity during the years ended December 31, 2015 and 2014 is presented in the tables below.

						Weighted
						Average
				Weighted		Remaining
	Number			Average		Contractual
	of			Exercise		Life
	Shares			Price		(in Years)
Stock options outstanding at December 31, 2013		3,150,000		$	0.818
Granted		4,700,000			0.473
Exercised		—			—
Expired		(1,000,000	)		0.803
Stock options outstanding at December 31, 2014		6,850,000			0.582
Granted		1,700,000			1.015
Exercised		—			—
Expired		(600,000	)		0.942
Stock options outstanding at December 31, 2015		7,950,000		$	0.697		2.94
Stock options exercisable at December 31, 2014		4,675,000		$	0.626
Stock options exercisable at December 31, 2015		6,800,000		$	0.586		2.65

Exercise Prices of Common Stock Options Outstanding and Exercisable

The exercise prices of stock options outstanding and exercisable are as follows at December 31, 2015:

		Stock Options		Stock Options
Exercise		Outstanding		Exercisable
Prices		(Shares)		(Shares)
$	0.130		100,000		50,000
$	0.250		500,000		500,000
$	0.500		4,400,000		4,300,000
$	0.650		700,000		700,000
$	0.980		250,000		250,000
$	1.000		1,500,000		1,000,000
$	2.000		500,000		—
			7,950,000		6,800,000