Stock Options (Tables)

12 Months Ended

Dec. 31, 2014

Stock Options [Abstract]

Summary of Stock Options Activity

	2014					2013
	Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price
Outstanding, beginning of year		4,194,972			0.25		3,863,972		$	0.32
Granted		60,000			0.26		530,000			0.18
Exercised		(161,664	)		0.15		—			—
Cancelled		(45,418	)		0.15		(25,000	)		0.28
Expired		(487,825	)		0.32		(174,000	)		1.62
Outstanding, end of year		3,560,065			0.24		4,194,972			0.25
Exercisable, end of year		2,885,051			0.19		2,847,048			0.28
Options available for future grant, end of year		834,943			0.16		1,488,611

Schedule of Unvested Options Activity

	2014					2013
	Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price
Non-Vested options at beginning of year		1,311,674			0.18		1,687,000			0.13
Granted		60,000			0.26		530,000			0.18
Vested		(691,242	)		0.18		(880,326	)		0.22
Cancelled		(5,418	)		0.15		(25,000	)		0.14
Non- Vested options end of year		675,014			0.16		1,311,674			0.18

Summary of Options Outstanding by Price Range

	Options Outstanding						Options Exercisable
Range of Exercise Price	Number Outstanding		Remaining Average Contractual Life (In Years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
0.17 – .34		3,560,065		4.8		0.24		2,885,051		0.19
		3,560,065		4.8		0.24		2,885,051		0.19

Schedule of Fair Value Assumptions

	December 31,
	2014		2013
Risk-free interest rate	0.88%-1.63	%	0.58%-0.64	%
Expected term (life) of options (in years)	4.65-9.40		4.66-4.909
Expected dividends	—		—
Expected volatility	173.78%-176.67	%	187.59%-210.00	%