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Common Stock (Details) (USD $)	1 Months Ended				3 Months Ended	6 Months Ended	1 Months Ended			3 Months Ended	6 Months Ended	12 Months Ended
Common Stock (Details) (USD $)	Jul. 31, 2012	May 02, 2012	Nov. 30, 2009	Nov. 30, 2008	Jun. 30, 2012	Jun. 30, 2012	May 02, 2012 Series B Warrant [Member]	Nov. 30, 2009 Series B Warrant [Member]	Nov. 30, 2008 Series B Warrant [Member]	Jun. 30, 2012 Series B Warrant [Member]	Jun. 30, 2012 Series B Warrant [Member]	Dec. 31, 2011 Series B Warrant [Member]
Common Stock (Textual) [Abstract]
Number of warrants exercised										1,800,000	2,700,000
Gross proceeds	$ 861,000	$ 5,300,000			$ 3,375,000	$ 3,194,202	$ 5,300,000	$ 12,500,000	$ 20,000,000		$ 2,250,000	$ 10,000,000
Common stock, shares issued								0.40	0.75		1,800,000
Warrants issued											1,800,000
Exercise price of warrant			15.00	23.00		1.40