Net Loss Per Share of Common Stock (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

The following table reconciles the numerator and denominator for the calculation.

	For the Three Months Ended March 31,
	2013			2012
Basic and diluted net loss per share:
Numerator:
Net loss	$	(1,742,684	)	$	(4,436,778	)
Preferred stock cash dividends		—			(96,424	)
Numerator for basic and diluted earnings per share -
Net loss available to common stockholders	$	(1,742,684	)	$	(4,533,202	)
Denominator:
Weighted average basic and diluted shares outstanding		33,278,477			32,342,541
Basic and diluted net loss per share:
Net loss	$	(0.05	)	$	(0.14	)
Preferred stock cash dividends		—			(0.00	)
Net loss available to common stockholders	$	(0.05	)	$	(0.14	)