Earnings per Common Share (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Basic:
Net income (loss) attributable to common stockholders	$ 3,782,641	$ (5,098,351)	$ 10,533,257	$ (14,117,662)
Weighted average common shares outstanding	29,669,058	28,998,451	29,615,357	27,062,761
Basic earnings per common share	$ 0.13	$ (0.18)	$ 0.36	$ (0.52)
Effect of dilutive securities:
Net income (loss) attributable to common stockholders	3,782,641	(5,098,351)	10,533,257	(14,117,662)
Adjustments to Income for Dilutive options and warrants
Net income (loss) attributable to common stockholders, Diluted	$ 3,782,641	$ (5,098,351)	$ 10,533,257	$ (14,117,662)
Weighted average common shares outstanding	29,669,058	28,998,451	29,615,357	27,062,761
Effects of Dilutive options and warrants	1,476,918	0	532,729	0
Diluted weighted average common shares outstanding	31,145,976	28,998,451	30,148,086	27,062,761
Diluted earnings per common share	$ 0.12	$ (0.18)	$ 0.35	$ (0.52)