General form of registration statement for all companies including face-amount certificate companies

Summary of Significant Accounting Policies (Detail)

v2.4.0.6
Summary of Significant Accounting Policies (Detail) (USD $)
 3 Months Ended 12 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Oct. 31, 2012
Oct. 31, 2011
Jul. 31, 2012
Jun. 30, 2011
License and Services Revenue   $ 446,670 $ 940,010 $ 872,670    
Warranty Period     1 year      
Product Warranty Accrual     5,000      
Employee Stock Ownership Plan (ESOP), Compensation Expense     85,000      
Share-based Compensation (in Dollars)     927,000 1,819,000    
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost     112,000      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options (in Dollars) 2,305,000          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value     1,000 49,000    
Service Based Options [Member] | Nonemployees [Member]
            
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options (in Dollars)     1,375,000      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     2 years 328 days      
Service Based Options [Member] | Employees and Directors [Member]
            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value     2,394,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term     2 years 292 days      
Performance Based Options [Member] | Nonemployees [Member]
            
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options (in Dollars)     473,000      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     219 days      
Performance Based Options [Member] | Employees and Directors [Member]
            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value     710,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term     219 days      
Performance Based Options [Member]
            
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options (in Dollars) 795,000          
Market Condition Based Options [Member] | Nonemployees [Member]
            
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options (in Dollars)     924,000      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     1 year 328 days      
Market Condition Based Options [Member] | Employees and Directors [Member]
            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value     1,386,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term     1 year 328 days      
Stock Options [Member]
            
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options (in Dollars) 1,201,000          
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)     60,670,045 18,602,045    
Warrant [Member]
            
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)     7,500,000 7,500,000    
Convertible Debenture [Member]
            
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)     8,152,170 0    
Certificates of Deposit [Member]
            
Available-for-sale Securities     500,000      
Employees [Member]
            
Employee Stock Ownership Plan (ESOP), Number of Allocated Shares (in Shares)     1,840,000      
Nonemployees [Member]
            
Employee Stock Ownership Plan (ESOP), Weighted Average Purchase Price of Shares Purchased (in Dollars per share)     $ 0.145      
Option Granted for consulting Expenses     110,000 44,000    
Stock Options Granted to Employees and Non-Employee [Member]
            
Share-based Compensation (in Dollars)     615,000 742,000    
Employees and Directors [Member]
            
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost     7,000 8,000    
Stock Option Compensation Expense [Member]
            
Earnings Per Share, Basic (in Dollars per share)     $ 0      
Earnings Per Share, Diluted (in Dollars per share)       $ 0.01    
AUO License Agreement [Member]
            
Initial License Fees Received     3,000,000   3,000,000 3,000,000
License Agreement, Agreed Fee Value 10,000,000   10,000,000      
Additional License Fee Receivable Upon Completion Of Certain Conditions 7,000,000   7,000,000      
Additional License Fee Considered as Contingent Revenue         7,000,000  
License and Services Revenue 0 447,000 940,000 873,000    
License fee recorded as non refundable deferred revenue     $ 1,187,000