Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2012

	Years Ended December 31,
	2012			2011			2010
Net (loss) income	$	(29,157,204	)	$	5,612,992		$	(49,964,868	)
Preferred stock dividends		(43,333	)		(100,000	)		(8,206,745	)
Net (loss) income attributable to common stockholders	$	(29,200,537	)	$	5,512,992		$	(58,171,613	)

Weighted average shares outstanding (basic and diluted)		99,059,997			90,509,326			80,726,498
(Loss) income per common share (basic and diluted)	$	(0.29	)	$	0.06		$	(0.72	)