Loss per Share (Tables)

12 Months Ended

Dec. 31, 2012

Loss per Share

Schedule of calculation of earnings (loss) per share

	Years Ended December 31
	2012			2011			2010
Net loss attributable to stockholders	$	14,852,641	)	$	844,696		$	8,507,344
Basic weighted average number of common shares outstanding	54,926,440			54,608,919			53,064,968
Dilutive effect of stock options	—			—			—
Diluted weighted average number of common shares outstanding	54,926,440			54,608,919			53,064,968
Basic and Diluted loss per share	$	(0.27	)	$	(0.02	)	$	(0.16	)