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STOCK BASED COMPENSATION (Detail) (USD $)
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3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 0 Months Ended | 1 Months Ended | 3 Months Ended | 6 Months Ended | |||||||||||||||||||||||||||||
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Apr. 30, 2013
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Apr. 30, 2012
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Apr. 30, 2013
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Apr. 30, 2012
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Nov. 30, 2013
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Sep. 30, 2012
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Apr. 30, 2013
Stock Options Granted To Employees And Directors [Member]
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Apr. 30, 2012
Stock Options Granted To Employees And Directors [Member]
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Apr. 30, 2013
Stock Options Granted To Employees And Directors [Member]
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Apr. 30, 2012
Stock Options Granted To Employees And Directors [Member]
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Apr. 30, 2013
Service Based Options [Member]
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Apr. 30, 2013
Options Subject To Market Conditions [Member]
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Apr. 30, 2013
Options Subject To Market Conditions [Member]
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Apr. 30, 2013
Performance Based Options [Member]
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Sep. 30, 2012
Non Qualified Stock Option [Member]
New Presidentand Chief Executive Officer [Member]
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Sep. 30, 2012
Non Qualified Stock Option [Member]
New Senior Vice Presidentand Engineering [Member]
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Sep. 30, 2012
Non Qualified Stock Option [Member]
Strategic Advisor [Member]
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Sep. 30, 2012
Non Qualified Stock Option [Member]
Chairmans Compensation [Member]
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Sep. 30, 2012
Non Qualified Stock Option [Member]
Directors Compensation [Member]
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Apr. 30, 2013
Non Qualified Stock Option [Member]
Director [Member]
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Feb. 28, 2013
Non Qualified Stock Option [Member]
Board of Directors Chairman [Member]
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Feb. 15, 2014
Non Qualified Stock Option [Member]
Board of Directors Chairman [Member]
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Mar. 31, 2013
Non Qualified Stock Option [Member]
Three Outside Directors [Member]
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Apr. 30, 2013
Non Qualified Stock Option [Member]
2010 Share Plan [Member]
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Sep. 21, 2012
Non Qualified Stock Option [Member]
2010 Share Plan [Member]
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Sep. 30, 2012
Non Qualified Stock Option [Member]
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Apr. 30, 2013
Non Qualified Stock Option [Member]
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Apr. 30, 2013
Stock Award Granted to Employees and Consultants [Member]
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Apr. 30, 2012
Stock Award Granted to Employees and Consultants [Member]
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Apr. 30, 2013
Options Granted Under 2003 Plan and 2010 Plan [Member]
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Apr. 30, 2013
Stock Option [Member]
2010 Share Plan [Member]
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Apr. 30, 2012
Stock Option [Member]
2010 Share Plan [Member]
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Apr. 30, 2013
Stock Option [Member]
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Apr. 30, 2013
2010 Share Plan [Member]
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Oct. 31, 2012
2010 Share Plan [Member]
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Aug. 28, 2011
2010 Share Plan [Member]
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Jul. 05, 2011
2010 Share Plan [Member]
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Apr. 30, 2013
Options Granted Under 2003 Plan and 2010 Plan [Member]
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Sep. 30, 2012
Options Granted Under 2003 Plan and 2010 Plan [Member]
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Apr. 30, 2013
Options Granted Under 2003 Plan and 2010 Plan [Member]
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Apr. 30, 2012
Options Granted Under 2003 Plan and 2010 Plan [Member]
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Apr. 30, 2013
Options Granted Under 2003 Plan and 2010 Plan [Member]
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Apr. 30, 2012
Options Granted Under 2003 Plan and 2010 Plan [Member]
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Apr. 30, 2013
Stock Option [Member]
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Apr. 30, 2012
Stock Option [Member]
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Apr. 30, 2013
2003 Share Plan [Member]
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Oct. 31, 2012
2003 Share Plan [Member]
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| Allocated Share-based Compensation Expense (in Dollars) | $ 871,000 | $ 631,000 | $ 1,690,000 | $ 1,344,000 | $ 555,000 | $ 30,000 | $ 1,028,000 | $ 111,000 | $ 0 | $ 525,000 | $ 119,000 | $ 0 | |||||||||||||||||||||||||||||||||||
| Amortization Related To Compensation Cost (in Dollars) | 402,000 | 2,000 | 803,000 | 4,000 | |||||||||||||||||||||||||||||||||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options (in Dollars) | 2,291,000 | 1,017,000 | 1,017,000 | 699,000 | |||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term | 2 years 73 days | 1 year 6 months | 1 year | ||||||||||||||||||||||||||||||||||||||||||||
| Consultation Fees Related to Options (in Dollars) | 0 | 0 | 185,000 | 427,000 | 26,000 | 3,000 | 52,000 | 40,000 | |||||||||||||||||||||||||||||||||||||||
| Unrecognized Consulting Expenses Related To Non Vested Share Based Compensation (in Dollars) | 1,204,000 | 787,000 | 499,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Consulting Expenses Recognized over Weighted AverageRemaining Contractual Term | 2 years 146 days | 1 year 328 days | |||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 750,000 | 750,000 | 3,000,000 | 1,500,000 | 180,000 | 1,290,000 | 180,000 | ||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 0.20 | 0.16 | (90,000) | 1,290,000 | (90,000) | ||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Shares Purchased for Award | 16,000,000 | 8,000,000 | 16,000,000 | 40,000,000 | 41,500,000 | 3,000,000 | |||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased (in Dollars per share) | $ 0.2175 | $ 0.21 | $ 0.21 | $ 0.21 | |||||||||||||||||||||||||||||||||||||||||||
| Proceeds from Stock Options Exercised (in Dollars) | 13,050 | 208,450 | 13,000 | 208,000 | |||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 60,000 | 30,000,000 | 27,000,000 | 15,000,000 | 70,000,000 | ||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | 333,334 | 333,334 | 1,075,020 | ||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 3,000,000 | 3,000,000 | 40,000,000 | 3,000,000 | 2,820,000 | 15,818,845 | 16,350,045 | ||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value (in Dollars) | 50,000 | 50,000 | 420,000 | 51,000 | 155,000 | ||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 916,668 | 916,668 | 4,444,444 | 2,071,250 | 15,758,845 | ||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value (in Dollars) | 14,000 | 14,000 | 47,000 | 36,000 | 145,000 | ||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share) | $ 0.211 | $ 0.235 | $ 0.195 | $ 0.2225 | $ 0.20 | ||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value (in Dollars) | 8,000 | ||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number | 333,333 | 333,333 | 250,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number | 500,000 | ||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value (in Dollars) | $ 3,000 | ||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period | 1,000,000 | 1,000,000 | 1,000,000 | 0 | 3,738,690 | 125,000 | 304,910 | ||||||||||||||||||||||||||||||||||||||||