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Warrant Liability (Details 4) (USD $)	Sep. 30, 2012	Jun. 30, 2012
Summary of outstanding warrants and fair value of warrant liability
Number Outstanding	10,689,143
Fair value	$ 14,483,148
Series A Warrants [Member]
Summary of outstanding warrants and fair value of warrant liability
Number Outstanding	9,254,600	10,700,000
Exercise Price per share	$ 1.40
Fair value	14,248,660
Warrants issued in 2008 [Member]
Summary of outstanding warrants and fair value of warrant liability
Number Outstanding	1,034,483
Exercise Price per share	$ 23.00
Fair value	129,785
Warrants issued in 2009 [Member]
Summary of outstanding warrants and fair value of warrant liability
Number Outstanding	400,000
Exercise Price per share	$ 15.00
Fair value	$ 104,703