CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (DEFICIENCY) (USD $)	Total	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]
Balance at Nov. 30, 2009	$ (1,702,967)	$ 1,830,035	$ 573,400	$ 2,998,925	$ 32,514,975	$ (38,917,068)	$ (703,234)
Balance (in shares) at Nov. 30, 2009		16,262	5,734	299,892,504
Cumulative effect of a change in accounting principle for beneficial conversion feature of Series B preferred stock	(226,217)	0	0	0	(1,244,076)	1,017,859	0
Balance	(1,929,184)	1,830,035	573,400	2,998,925	31,270,899	(37,899,209)	(703,234)
Balance (in shares)		16,262	5,734	299,892,504
Issuance of common stock for conversion of 4.75% debentures	8,013	0	0	1,182,608	(1,174,595)	0	0
Issuance of common stock for conversion of 4.75% debentures (in shares)		0	0	118,260,762
Issuance of common stock for exercise of warrants	873,450	0	0	8,013	865,437	0	0
Issuance of common stock for exercise of warrants (in shares)		0	0	801,330
Conversion of Series B preferred stock into common stock	48,750	(480,191)	0	79,919	449,022	0	0
Conversion of Series B preferred stock into common stock (in shares)		(4,923)	0	7,991,883
Issuance of common stock for compensation to employees	3,990	0	0	3,500	490	0	0
Issuance of common stock for compensation to employees (in shares)		0	0	350,000
Stock-based compensation	39,447	0	0	0	39,447	0	0
Dividends on Series B preferred stock	(105,733)	0	0	0	0	105,733	0
Net loss	(673,386)	0	0	0	0	(605,995)	(67,391)
Balance at Aug. 31, 2010	(1,734,653)	1,349,844	573,400	4,272,965	31,450,700	(38,610,937)	(770,625)
Balance (in shares) at Aug. 31, 2010		11,339	5,734	427,296,479
Balance at Nov. 30, 2010	(2,015,109)	1,349,844	573,400	4,767,463	31,317,428	(39,197,686)	(825,558)
Balance (in shares) at Nov. 30, 2010		11,339	5,734	476,746,257
Issuance of common stock for conversion of 4.75% debentures	9,650	0	0	3,077,518	(3,067,868)	0	0
Issuance of common stock for conversion of 4.75% debentures (in shares)		0	0	307,751,871
Issuance of common stock for exercise of warrants	1,051,850	0	0	9,650	1,042,200	0	0
Issuance of common stock for exercise of warrants (in shares)		0	0	965,000
Stock-based compensation	824,218	0	0	0	824,218	0	0
Dividends on Series B preferred stock	0
Net loss	(1,686,883)	0	0	0	0	(1,597,701)	(89,182)
Balance at Aug. 31, 2011	$ (1,816,274)	$ 1,349,844	$ 573,400	$ 7,854,631	$ 30,115,978	$ (40,795,387)	$ (914,740)
Balance (in shares) at Aug. 31, 2011		11,339	5,734	785,463,128