Stock Options and Stock Grants (Tables)

12 Months Ended

Dec. 31, 2014

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

Schedule of Assumptions Used to Calculate Black-Scholes Option Pricing Model for Stock Options Granted

The following table illustrates the various assumptions used to calculate the Black–Scholes option pricing model for options granted for all years presented:

	Years Ended December 31,
	2014			2013
Weighted-average risk-free interest rates:		2.0	%		1.9	%
Dividend yield:		0.00	%		0.00	%
Weighted-average expected life of the option:		7 years			7 years
Weighted-average expected stock price volatility:		95	%		95	%
Weighted-average fair value of the options granted:	$	0.42		$	0.34

Summary of Option Activity

The following table summarizes the option activity for our employees and directors during the year ended December 31, 2014:

Options	(rounded) Shares			Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding on January 1, 2014		2,094,000		$	1.30
Granted		568,000		$	0.52
Exercised		(35,000	)	$	0.30
Forfeited or expired		(187,000	)	$	1.20
Outstanding on December 31, 2014		2,440,000		$	1.15		6.5	$	45
Exercisable on December 31, 2014		1,500,000		$	1.58		5.2	$	30
Shares available for grant		599,000