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STOCK BASED COMPENSATION (Detail) (USD $)
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3 Months Ended | 13 Months Ended | 3 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | ||||||||||||||||||||
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Jan. 31, 2013
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Jan. 31, 2012
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Jan. 31, 2013
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Jan. 31, 2012
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Jan. 31, 2013
Stock Options Granted to Employees and Directors [Member]
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Jan. 31, 2012
Stock Options Granted to Employees and Directors [Member]
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Jan. 31, 2013
Stock Options [Member]
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Jan. 31, 2013
Performance Based Options [Member]
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Jan. 31, 2013
Non-Qualified Stock Option [Member]
2010 Share Plan [Member]
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Jan. 31, 2013
Non-Qualified Stock Option [Member]
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Sep. 30, 2012
Non-Qualified Stock Option [Member]
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Sep. 21, 2012
Non-Qualified Stock Option [Member]
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Aug. 29, 2012
Non-Qualified Stock Option [Member]
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Sep. 30, 2012
Non Qualified Stock Options [Member]
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Sep. 30, 2012
New President and Chief Executive Officer [Member]
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Sep. 30, 2012
New Senior Vice President and Engineering [Member]
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Sep. 30, 2012
Strategic Advisor [Member]
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Jan. 31, 2013
Chairman's Compensation [Member]
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Jan. 31, 2013
Director's Compensation [Member]
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Jan. 31, 2013
Director's Additional Compensation Services for Recruiting New Management Team [Member]
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Jan. 31, 2013
Stock Option [Member]
2010 Share Plan [Member]
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Jan. 31, 2013
Stock Option Plan [Member]
2010 Share Plan [Member]
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Aug. 29, 2012
2010 Share Plan [Member]
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Jan. 31, 2013
2010 Share Plan [Member]
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Jan. 31, 2012
2010 Share Plan [Member]
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Jul. 06, 2011
2010 Share Plan [Member]
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Jan. 31, 2013
2003 Share Plan [Member]
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Sep. 30, 2012
Options Granted under the 2003 Plan and 2010 Plan [Member]
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Jan. 31, 2013
Options Granted under the 2003 Plan and 2010 Plan [Member]
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Jan. 31, 2012
Options Granted under the 2003 Plan and 2010 Plan [Member]
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| Allocated Share-based Compensation Expense (in Dollars) | $ 819,000 | $ 713,000 | $ 72,000 | $ 79,000 | $ 0 | $ 406,000 | ||||||||||||||||||||||||
| Amortization Related to Compensation Cost (in Dollars) | 401,000 | 2,000 | ||||||||||||||||||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options (in Dollars) | 2,305,000 | 2,305,000 | 1,201,000 | 795,000 | ||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term | 2 years 6 months | 1 year 255 days | ||||||||||||||||||||||||||||
| Consultation Fees Related to Options (in Dollars) | 242,000 | 0 | 26,000 | 37,000 | ||||||||||||||||||||||||||
| Unrecognized Compensation cost related to non-vested share-based compensation (in Dollars) | 1,405,000 | 881,000 | 530,000 | |||||||||||||||||||||||||||
| Consulting Expenses recognized over weighted average remaining contractual term | 2 years 255 days | 2 years 36 days | ||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | 1,180,000 | 1,075,020 | 950,000 | 489,745 | ||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 2,222,240 | 0.21 | 0.15 | |||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Shares Purchased for Award | 0 | 950,000 | 40,000,000 | 16,000,000 | 8,000,000 | 16,000,000 | 1,000,000 | |||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value (in Dollars) | 0 | 148,000 | 0 | 148,000 | 10,000 | 76,000 | 185,000 | |||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 60,000 | 15,000,000 | 27,000,000 | 70,000,000 | ||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized | 30,000,000 | 41,500,000 | 1,000,000 | |||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased (in Dollars per share) | $ 0.2175 | $ 0.211 | ||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value (in Dollars) | $ 50,000 | $ 9,000 | $ 51,000 | |||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Shares Additional Purchased for Award | 1,500,000 | 750,000 | 750,000 | |||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Additional Shares Purchased (in Dollars per share) | $ 0.2225 | |||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number | 250,000 | 333,333 | ||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 500,000 | |||||||||||||||||||||||||||||
| Stock Issued During Period, Shares, Issued for Services | 0 | 3,083,620 | ||||||||||||||||||||||||||||
| Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures | 125,000 | 290,470 | ||||||||||||||||||||||||||||