Stock Option Plans (Tables)

6 Months Ended

Jun. 30, 2012

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, 2012 and 2011.

	2012			2011
Risk-free interest rate		.92% - 1.10	%		2.13% - 2.46	%
Expected dividend yield		0	%		0	%
Expected stock price volatility		75	%		75	%
Expected life of options		5.75 years			5.75 years

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

A summary of all stock option activity for the six months ended June 30, 2012 follows:

	Number of Options		Weighted Average Exercise Price		Weighted- Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at December 31, 2011		6,889,500	$	.20
Options granted		150,000	$	.17
Outstanding at June 30, 2012		7,039,500	$	.20		6.0 years	$	564,355
Exercisable at June 30, 2012		5,338,833	$	.22		5.1 years	$	373,630