Stock Purchase Warrants (Tables)

3 Months Ended

Mar. 31, 2013

Stock Purchase Warrants [Abstract]

Schedule of Warrant Activity [Table Text Block]

A summary of warrant activity for the Company for the three months ended March 31, 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 as December 31, 2012		1,632,501			1.99
Granted		-			-
Exercised		-			-
Forfeited		-			-
Balance as March 31, 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 March 31, 2013 is as follows:

Exercise  Price		Warrants  Outstanding		Warrants  Exercisable		Weighted Average  Remaining  Contractual Life		Aggregate  Intrinsic Value
$	1.14		100,000		100,000		3.84 years	$	56,000
$	1.32		18,182		18,182		2.75 years	$	7,000
$	1.60		635,855		635,855		4.58 years	$	63,000
$	2.20		250,000		50,000		0.96 years	$
$	2.22		517,257		517,257		3.66 years	$	-
$	3.30		61,207		61,207		2.16 years	$	-
$	3.75		50,000		50,000		2.88 years	$	-
$	1.99		1,632,501		1,432,501		3.53 years	$	126,000