Quarterly report pursuant to Section 13 or 15(d)

NET LOSS PER SHARE OF COMMON STOCK (Details)

v2.4.1.9
NET LOSS PER SHARE OF COMMON STOCK (Details)
3 Months Ended 6 Months Ended
Apr. 30, 2014
Apr. 30, 2015
Apr. 30, 2014
Employee Stock Option [Member]      
NET LOSS PER SHARE OF COMMON STOCK (Details) [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 68,265,134us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
13,601,995us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
71,327,845us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
Warrant [Member]      
NET LOSS PER SHARE OF COMMON STOCK (Details) [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 26,123,281us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_WarrantMember
26,123,281us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_WarrantMember
18,628,281us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_WarrantMember
Convertible Debt Securities [Member]      
NET LOSS PER SHARE OF COMMON STOCK (Details) [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 18,498,943us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_ConvertibleDebtSecuritiesMember