|
STOCK BASED COMPENSATION (Details) (USD $)
|
6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 1 Months Ended | 12 Months Ended | 6 Months Ended | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Apr. 30, 2014
|
Apr. 30, 2013
|
Apr. 30, 2014
Stock Options Granted To Employees And Directors [Member]
|
Apr. 30, 2013
Stock Options Granted To Employees And Directors [Member]
|
Apr. 30, 2014
Stock Options Granted To Employees And Directors [Member]
|
Apr. 30, 2013
Stock Options Granted To Employees And Directors [Member]
|
Apr. 30, 2014
Stock Award Granted To Employees And Consultants [Member]
|
Apr. 30, 2013
Stock Award Granted To Employees And Consultants [Member]
|
Apr. 30, 2014
Stock Award Granted To Employees And Consultants [Member]
|
Apr. 30, 2013
Stock Award Granted To Employees And Consultants [Member]
|
Apr. 30, 2014
Award with 10 Year Terms [Member]
|
Apr. 30, 2014
Options with 10 Year Terms [Member]
|
Apr. 30, 2014
Award with 5 Year Terms [Member]
|
Apr. 30, 2014
Employee Stock Option [Member]
Common Stock [Member]
|
Apr. 30, 2013
Employee Stock Option [Member]
Common Stock [Member]
|
Apr. 30, 2014
Employee Stock Option [Member]
Director [Member]
2010 Share Plan [Member]
|
Apr. 30, 2014
Employee Stock Option [Member]
2010 Share Plan [Member]
|
Apr. 30, 2013
Employee Stock Option [Member]
2010 Share Plan [Member]
|
Nov. 30, 2012
Nonqualified Stock Option [Member]
Director [Member]
|
Feb. 28, 2013
Nonqualified Stock Option [Member]
Board of Directors Chairman [Member]
|
Sep. 30, 2012
Nonqualified Stock Option [Member]
New Presidentand Chief Executive Officer [Member]
|
Sep. 30, 2012
Nonqualified Stock Option [Member]
New Senior Vice Presidentand Engineering [Member]
|
Sep. 30, 2012
Nonqualified Stock Option [Member]
Strategic Advisor [Member]
|
Mar. 31, 2013
Nonqualified Stock Option [Member]
Three Outside Directors [Member]
|
Sep. 30, 2012
Nonqualified Stock Option [Member]
|
Oct. 31, 2013
Nonqualified Stock Option [Member]
|
Apr. 30, 2014
Nonqualified Stock Option [Member]
|
Oct. 31, 2013
Nonqualified Stock Option [Member]
|
Sep. 21, 2012
Nonqualified Stock Options Remaining Portion [Member]
Chairmans Compensation [Member]
|
Sep. 21, 2012
Nonqualified Stock Options Remaining Portion [Member]
Directors Compensation [Member]
|
Sep. 21, 2012
Nonqualified Stock Options Remaining Portion [Member]
|
Apr. 30, 2014
Nonqualified Stock Options Remaining Portion [Member]
|
Oct. 31, 2013
Director [Member]
|
Apr. 30, 2014
Board of Directors Chairman [Member]
2010 Share Plan [Member]
|
Apr. 30, 2014
Consultant [Member]
2010 Share Plan [Member]
|
Apr. 30, 2013
Consultant [Member]
2010 Share Plan [Member]
|
Apr. 30, 2014
Consultant [Member]
2010 Share Plan [Member]
|
Apr. 30, 2013
Consultant [Member]
2010 Share Plan [Member]
|
Apr. 30, 2014
2010 Share Plan [Member]
|
Oct. 31, 2013
2010 Share Plan [Member]
|
Jul. 06, 2011
2010 Share Plan [Member]
|
Sep. 30, 2012
2003 Share Plan [Member]
|
Oct. 31, 2013
2003 Share Plan [Member]
|
Apr. 30, 2014
2003 Share Plan [Member]
|
Nov. 08, 2013
2010 Share Plan Amendmend [Member]
|
Aug. 29, 2012
2010 Share Plan Amendmend [Member]
|
Jul. 06, 2011
2010 Share Plan Amendmend [Member]
|
Apr. 30, 2014
Stock Options Not Granted Under 2003 Share Plan Or 2010 Share Plan [Member]
|
Apr. 30, 2014
Options with 10 Year Terms [Member]
|
|
| STOCK BASED COMPENSATION (Details) [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Allocated Share-based Compensation Expense (in Dollars) | $ 524,000 | $ 555,000 | $ 989,000 | $ 1,028,000 | $ 633,000 | $ 185,000 | $ 888,000 | $ 427,000 | |||||||||||||||||||||||||||||||||||||||||
| Amortization Related to Compensation Cost (in Dollars) | 364,000 | 402,000 | 747,000 | 803,000 | |||||||||||||||||||||||||||||||||||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options (in Dollars) | 2,846,000 | 2,846,000 | 2,067,000 | 2,067,000 | |||||||||||||||||||||||||||||||||||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition | 1 year 292 days | 1 year 219 days | |||||||||||||||||||||||||||||||||||||||||||||||
| Consultation Fees Related to Options (in Dollars) | 843,000 | 606,000 | 7,000 | 26,000 | 35,000 | 52,000 | |||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years | 1 year | 36 months | 1 year | 2 years | 2 years | 4 years | 3 years | 23 years | 36 months | 3 years | 12 months | 3 years | ||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 5,000 | 90,000 | 3,000,000 | 8,710,000 | 180,000 | 8,710,000 | 41,500,000 | 3,000,000 | |||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share) | $ 0.21 | $ 0.21 | $ 0.20 | $ 0.211 | $ 0.235 | $ 0.195 | $ 0.21 | ||||||||||||||||||||||||||||||||||||||||||
| Proceeds from Stock Options Exercised (in Dollars) | 725 | 13,050 | 1,000 | 13,000 | |||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 55,634,980 | 15,000,000 | 70,000,000 | 30,000,000 | 27,000,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | 18,000,000 | 20,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized | 25,634,980 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Shares Purchased for Award | 16,000,000 | 8,000,000 | 16,000,000 | 1,000,000 | 40,000,000 | 750,000 | 750,000 | 1,500,000 | 3,000,000 | 400,000 | 300,000 | ||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased (in Dollars per share) | $ 0.2175 | $ 0.2225 | |||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term | 10 years | 10 years | |||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 40,000,000 | 11,694,000 | 2,984,000 | 15,638,845 | 3,000,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value (in Dollars) | 4,900,000 | 176,000 | 1,454,000 | 379,000 | |||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 20,700,484 | 1,000,000 | 3,762,194 | 2,333,334 | |||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value (in Dollars) | $ 2,536,000 | $ 118,000 | $ 425,000 | $ 301,000 | |||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | 333,334 | 333,334 | 250,000 | ||||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period | 1,000,000 | 1,000,000 | 110,000 | 250,000 | |||||||||||||||||||||||||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Accelerated Vesting, Number | 333,333 | 333,333 | |||||||||||||||||||||||||||||||||||||||||||||||