Stock Purchase Warrants (Tables)

6 Months Ended

Jun. 30, 2013

Stock Purchase Warrants [Abstract]

Schedule of Warrant Activity [Table Text Block]

A summary of warrant activity for the Company for the six months ended June 30, 2013 and for the year ended December 31, 2012 is as follows:

			Weighted Average
	Number of Warrants		Exercise Price
Balance at December 31, 2011		3,259,186	$	1.95
Granted		985,855		1.71
Exercised		(1,768,167)		1.11
Forfeited		(844,373)		3.32
Balance at December 31, 2012		1,632,501		1.99
Granted		-		-
Exercised		-		-
Forfeited		-		-
Balance at June 30, 2013		1,632,501	$	1.99

Schedule of Warrant Outstanding and Exercisable [Table Text Block]

A summary of all outstanding and exercisable warrants as of June 30, 2013 is as follows:

Exercise Price		Warrants Outstanding		Warrants Exercisable		Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value
$	1.14		100,000		100,000		3.59 years	$	58,000
$	1.32		18,182		18,182		2.50 years	$	7,000
$	1.60		635,855		635,855		4.33 years	$	76,000
$	2.20		250,000		50,000		0.71 years	$	-
$	2.22		517,257		517,257		3.41 years	$	-
$	3.30		61,207		61,207		1.92 years	$	-
$	3.75		50,000		50,000		2.63 years	$	-
$	1.99		1,632,501		1,432,501		3.28 years	$	141,000