SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $)	2 Months Ended	3 Months Ended	12 Months Ended									110 Months Ended
	May 31, 2004	May 31, 2007	May 31, 2013	May 31, 2012	May 31, 2011	May 31, 2010	May 31, 2009	May 31, 2008	May 31, 2007	May 31, 2006	May 31, 2005	May 31, 2013
Net income (loss)	$ (693,833)		$ (516,930)	$ 4,135,062	$ 13,365,862	$ (11,478,230)	$ (6,762,218)	$ (6,478,999)	$ (6,033,075)	$ (4,025,016)	$ (7,001,365)	$ (25,489,741)
Stock based compensation		16,858	0	0	603,974	1,176,762			100,146	69,170	724,811	11,706,492
Warrant [Member]
Debt Conversion, Converted Instrument, Warrants or Options Issued			2,350,080
Number Of Warrants Included In Earning Per Share Calculation				$ 5,895,545
Common Stock [Member]
Net income (loss)	$ 0		$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Debt Conversion, Converted Instrument, Shares Issued										609,786	125,000
Common Stock [Member] | Debt Instrument [Member]
Debt Conversion, Converted Instrument, Shares Issued			40,000,000
Options [Member]
Debt Conversion, Converted Instrument, Warrants or Options Issued			2,960,000
Number Of Warrants Included In Earning Per Share Calculation				$ 3,610,000