CONSOLIDATED BALANCE SHEETS (USD $)	Jan. 31, 2013	Jul. 31, 2012
ASSETS
Cash and cash equivalents	$ 1,122,712	$ 246,309
Other current assets	187,272	200,552
Total Current Assets	1,309,984	446,861
Property and Equipment, Net	107,531	704,678
Assets Held for Investment, Net	843,091	858,377
Patents, Net	2,479,840	2,634,458
TOTAL ASSETS	4,740,446	4,644,374
LIABILITIES AND STOCKHOLDERS' DEFICIENCY
Accounts payable and accrued expenses (Note 5)	7,667,261	7,015,652
Deferred revenue	237,825	263,125
9% Convertible Preferred Stock	750,000	0
Current maturities of long-term debt (Note 11)	853,119	1,222,746
Total Current Liabilities	9,508,205	8,501,523
Long-Term Debt, Net	0	441,415
Derivative Warrant Liability (Note 10)	6,127,098	4,081,627
Total Liabilities	15,635,303	13,024,565
Commitments and Contingencies (Notes 6 and 7)
Stockholders' Deficiency (Note 9):
Common stock, $.001 par value; authorized 750,000,000 shares at January 31, 2013 and July 31, 2012, respectively; 488,053,750 and 354,161,297 shares issued and outstanding at January 31, 2013 and July 31, 2012, respectively	488,054	354,161
Additional paid-in capital	351,863,126	348,099,813
Deficit accumulated during the development stage	(364,011,261)	(357,611,780)
Accumulated other comprehensive income	765,224	777,615
Total Stockholders' Deficiency	(10,894,857)	(8,380,191)
TOTAL LIABILITIES AND STOCKHOLDERS' DEFICIENCY	4,740,446	4,644,374
Series A Convertible Preferred Stock [Member]
LIABILITIES AND STOCKHOLDERS' DEFICIENCY
9% Convertible Preferred Stock	0	0
Series B Convertible Preferred Stock [Member]
LIABILITIES AND STOCKHOLDERS' DEFICIENCY
9% Convertible Preferred Stock	0	0
Series C Convertible Preferred Stock [Member]
LIABILITIES AND STOCKHOLDERS' DEFICIENCY
9% Convertible Preferred Stock	0	0
Series D Convertible Preferred Stock [Member]
LIABILITIES AND STOCKHOLDERS' DEFICIENCY
9% Convertible Preferred Stock	$ 0	$ 0