Summary of Significant Accounting Policies (Details 5) (USD $)	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012	Jun. 30, 2011
Numerator:
Net income (loss)	$ 4,832,000	$ (4,846,000)	$ 8,759,000	$ 3,724,000	$ (47,187,000)	$ (9,768,000)	$ 5,448,000	$ 715,000	$ 12,469,077	$ (50,791,750)
Denominator:
Basic weighted-average common shares outstanding									102,695,919	73,173,498
Effect of dilutive securities:
Stock awards and options									5,516,411
Warrants									10,118,568
Diluted weighted-average common shares outstanding									118,330,898	73,173,498
Basic	$ 0.04	$ (0.05)	$ 0.09	$ 0.04	$ (0.56)	$ (0.13)	$ 0.08	$ 0.01	$ 0.12	$ (0.69)
Diluted	$ 0.04	$ (0.05)	$ 0.05	$ 0.02	$ (0.56)	$ (0.13)	$ 0.00	$ (0.01)	$ 0.11	$ (0.69)