Net Income (Loss) Per Common Share (Details) (USD $)	3 Months Ended		9 Months Ended
	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2012	Aug. 31, 2011
Net Income Loss Per Common Share Details
Net income (loss)-numerator basic	$ (779,801)	$ (1,485,544)	$ 3,605,697	$ (3,648,205)
Interest expense attributable to convertible notes, net			996,319
Net income (loss) plus interest expense attributable to convertible notes, net- numerator diluted	$ (779,801)	$ (1,485,544)	$ 4,602,016	$ (3,648,425)
Weighted average common shares outstanding-denominator basic	167,563,679	54,427,094	142,897,663	29,980,893
Effect of dilutive securities			121,185,921
Weighted average dilutive common shares outstanding -denominator diluted	167,563,679	54,427,094	264,083,584	29,980,893
Earnings (loss) per common share-basic	$ 0.00	$ (0.03)	$ 0.03	$ (0.12)
Earnings (loss) per common share-diluted	$ 0.00	$ (0.03)	$ 0.02	$ (0.12)