CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (DEFICIENCY) (USD $)	Series B Convertible Preferred Stock [Member]	Series I Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]	Total
Balance at Nov. 30, 2010	$ 1,349,844	$ 573,400	$ 4,767,463	$ 31,317,428	$ (39,197,686)	$ (825,558)	$ (2,015,109)
Balance (in shares) at Nov. 30, 2010	11,339	5,734	476,746,257
Issuance of common stock for conversion of 4.75% debentures	0	0	2,445,566	(2,437,991)	0	0	7,575
Issuance of common stock for conversion of 4.75% debentures (in shares)	0	0	244,556,594
Issuance of common stock for exercise of warrants	0	0	7,575	818,100	0	0	825,675
Issuance of common stock for exercise of warrants (in shares)	0	0	757,500
Stock-based compensation	0	0	0	650,928	0	0	650,928
Net loss	0	0	0	0	(1,491,226)	(70,130)	(1,561,356)
Balance at May. 31, 2011	1,349,844	573,400	7,220,604	30,348,465	(40,688,912)	(895,688)	(2,092,287)
Balance (in shares) at May. 31, 2011	11,339	5,734	722,060,351
Balance at Nov. 30, 2011	1,349,844	573,400	8,233,860	30,064,619	(40,998,344)	(976,978)	(1,753,599)
Balance (in shares) at Nov. 30, 2011	11,339	5,734	823,385,986
Issuance of common stock for conversion of 4.75% debentures	0	0	1,442,915	(1,438,405)	0	0	4,510
Issuance of common stock for conversion of 4.75% debentures (in shares)	0	0	144,291,494
Issuance of common stock for exercise of warrants	0	0	4,510	487,080	0	0	491,590
Issuance of common stock for exercise of warrants (in shares)	0	0	451,000
Stock-based compensation	0	0	0	120,716	0	0	120,716
Net loss	0	0	0	0	(649,329)	(49,070)	(698,399)
Balance at May. 31, 2012	$ 1,349,844	$ 573,400	$ 9,681,285	$ 29,234,010	$ (41,647,673)	$ (1,026,048)	$ (1,835,182)
Balance (in shares) at May. 31, 2012	11,339	5,734	968,128,480