SUBSEQUENT EVENTS (Details Textual) (USD $)	3 Months Ended		131 Months Ended			0 Months Ended		1 Months Ended		1 Months Ended		0 Months Ended	1 Months Ended		1 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Jan. 31, 2013	Oct. 31, 2012	Apr. 30, 2011 sqft	Mar. 06, 2013 Separation Agreement [Member]	Mar. 13, 2013 Office and Laboratory Lease [Member]	Apr. 30, 2011 Office and Laboratory Lease [Member] sqft	Mar. 14, 2013 Office and Laboratory Lease [Member]	Apr. 30, 2011 Office and Laboratory Lease [Member] Minimum [Member]	Apr. 30, 2011 Office and Laboratory Lease [Member] Maximum [Member]	Feb. 12, 2012 Sale Of Stock Under Equity Enhancement Program [Member] Hanover Purchase Agreement [Member]	Mar. 31, 2013 Sale Of Stock Under Equity Enhancement Program [Member] Hanover Purchase Agreement [Member]	Mar. 01, 2013 Sale Of Stock Under Equity Enhancement Program [Member] Hanover Purchase Agreement [Member]	Feb. 26, 2013 Exercise Of Warrants [Member]	Mar. 22, 2013 Brio Claim [Member]
Stock Issued During Period, Shares, Issued for Cash												8,000,000	12,000,000
Stock Price:	$ 0.072		$ 0.072	$ 0.045								$ 0.0644		$ 0.095		$ 0.20
Net proceeds of issuance of common stock	$ 427,882	$ 0	$ 12,416,112									$ 515,520	$ 1,134,000
Proceeds from exercise of warrants	0	411,765	1,666,766												1,111,111
Class of Warrant or Right, Exercise Price of Warrants or Rights															$ 0.085
Proceeds from Issuance of Warrants															94,444
General Release Agreement						275,000
Area of Land					10,000			10.000
Operating Leases, Rent Expense								21,000
Estimated Utility Cost							450,000			7,200	10,700
Operating Leases, Future Minimum Payments Due, Next Twelve Months							100,000
Operating Leases, Future Minimum Payments, Due in Two Years							100,000
Accelerated Share Repurchases, Settlement (Payment) or Receipt									200,000
Common stock, shares issued	493,415,628		493,415,628	394,804,165					21,327,990
Reduced Monthly Lease Payment Under Sublease Agreement							20,000
Loss Contingency, Damages Sought, Value																$ 500,000
Loss Contingency Damages Sought Shares																2,717,777