Stock Option Plans (Tables)

6 Months Ended

Jun. 30, 2013

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

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The fair value of each option grant is estimated on the date of grant using the Black-Scholes option-pricing model. The following assumptions were used for the six months ended June 30, 2013 and 2012.

	2013		2012
Risk-free interest rate		.34% - .92%		.92% - 1.10%
Expected dividend yield		0%		0%
Expected stock price volatility		75%		75%
Expected life of options		3.25 - 5.75 years		5.75 years

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following is a summary of all stock option activity for the six months ended June 30, 2013.

	Number of Options		Weighted Average Exercise Price		Weighted- Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at December 31, 2012		6,884,500	$	.20		-
Options granted		1,825,000	$	.15		-
Options expired		(123,333)	$	.13		-
Options forfeited		(686,667)	$	.07		-
Outstanding at June 30, 2013		7,899,500	$	.20		5.3 years	$	232,000
						-
Exercisable at June 30, 2013		5,746,833	$	.22		5.0 years	$	178,000