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Business and Funding (Detail) (USD $)
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1 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | |||||||||||||||||
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Nov. 30, 2007
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Oct. 31, 2012
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Jul. 31, 2012
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Apr. 30, 2012
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Jan. 31, 2012
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Oct. 31, 2011
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Jul. 31, 2011
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Apr. 30, 2011
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Jan. 31, 2011
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Oct. 31, 2012
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Oct. 31, 2011
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Oct. 31, 2010
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Feb. 28, 2011
Private Placement [Member]
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Feb. 28, 2011
Warrant [Member]
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Feb. 28, 2011
Board of Directors Chairman [Member]
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Sep. 30, 2012
Chairman and Chief Executive Officer and Director [Member]
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Jan. 31, 2013
President and Chief Executive Officer [Member]
8% Convertible Debenture [Member]
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Oct. 31, 2012
DISC [Member]
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Oct. 31, 2012
Purchase of Eqiupment [Member]
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Jun. 30, 2011
AUO License Agreement [Member]
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Jul. 31, 2012
AUO License Agreement [Member]
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Oct. 31, 2012
AUO License Agreement [Member]
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Nov. 30, 2007
Videocon [Member]
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Oct. 31, 2012
Videocon [Member]
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Nov. 30, 2007
Copy Tele [Member]
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Jan. 31, 2013
8% Convertible Debenture [Member]
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Sep. 30, 2012
8% Convertible Debenture [Member]
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Oct. 31, 2012
8% Convertible Debenture [Member]
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Oct. 31, 2012
Certificate of Deposit [Member]
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Oct. 31, 2012
Convertible Debenture [Member]
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| Employee Count before Discontinued Research and Development Activities | 19 | |||||||||||||||||||||||||||||
| Employee Count after Discontinued Research and Development Activities | 7 | 7 | ||||||||||||||||||||||||||||
| Proceeds from Issuance of Private Placement | $ 750,000 | $ 1,250,000 | $ 1,250,000 | $ 250,000 | $ 1,765,000 | $ 750,000 | ||||||||||||||||||||||||
| Stock Issued During The Period In Private Placement (in Shares) | 7,000,000 | 3,360,000 | ||||||||||||||||||||||||||||
| Share Price (in Dollars per share) | $ 0.1786 | $ 0.30 | ||||||||||||||||||||||||||||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) | 7,000,000 | 5,882,745 | ||||||||||||||||||||||||||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item) | 0.0756 | 0.30 | ||||||||||||||||||||||||||||
| Proceeds from Issuance of Debt | 300,000 | 750,000 | ||||||||||||||||||||||||||||
| Debt Instrument, Interest Rate, Stated Percentage | 8.00% | |||||||||||||||||||||||||||||
| Debt Instrument, Convertible, Conversion Price (in Dollars per share) | $ 0.15 | $ 0.092 | ||||||||||||||||||||||||||||
| Debt Instrument, Convertible, Carrying Amount of Equity Component | 718,000 | |||||||||||||||||||||||||||||
| Debt instrument prepay,Notice period in days | 30 | 30 | ||||||||||||||||||||||||||||
| Net Cash Provided by (Used in) Operating Activities | (3,140,748) | (716,000) | ||||||||||||||||||||||||||||
| Payments to Suppliers and Employees | (3,164,613) | (3,280,030) | ||||||||||||||||||||||||||||
| Accounts Receivable, Net, Current | 7,000 | 7,000 | ||||||||||||||||||||||||||||
| Investment Income, Dividend | 13,000 | |||||||||||||||||||||||||||||
| Investment Income, Interest | 3,458 | 2,516 | ||||||||||||||||||||||||||||
| Net Cash Provided by (Used in) Investing Activities | 1,747,951 | (2,138,176) | ||||||||||||||||||||||||||||
| Proceeds from Sale of Short-term Investments | 2,948,551 | 1,699,618 | 2,949,000 | |||||||||||||||||||||||||||
| Proceeds from Issuance or Sale of Equity | 1,000 | |||||||||||||||||||||||||||||
| Payments to Acquire Short-term Investments | 1,200,000 | 3,947,543 | 2,000 | 1,200,000 | ||||||||||||||||||||||||||
| Net Cash Provided by (Used in) Financing Activities | 958,450 | 2,534,100 | ||||||||||||||||||||||||||||
| Proceeds from Stock Options Exercised | 208,450 | 1,284,100 | ||||||||||||||||||||||||||||
| Cash, Period Increase (Decrease) | 2,183,000 | |||||||||||||||||||||||||||||
| Cash, Cash Equivalents, and Short-term Investments | 840,000 | 3,023,000 | 840,000 | 3,023,000 | ||||||||||||||||||||||||||
| Allocated Share-based Compensation Expense | 3,001,000 | 3,661,000 | ||||||||||||||||||||||||||||
| Severance Costs | 74,000 | |||||||||||||||||||||||||||||
| Share-based Compensation (in Dollars) | 927,000 | 1,819,000 | ||||||||||||||||||||||||||||
| Stock or Unit Option Plan Expense | 615,000 | 742,000 | ||||||||||||||||||||||||||||
| Net Income (Loss) Attributable to Parent | (1,860,503) | (629,102) | (877,109) | (886,085) | (2,791,389) | (1,773,498) | (1,287,040) | (1,526,109) | (4,252,799) | (7,378,036) | ||||||||||||||||||||
| Retained Earnings (Accumulated Deficit) | (125,083,322) | (120,830,523) | (125,083,322) | (120,830,523) | ||||||||||||||||||||||||||
| Stockholders' Equity Attributable to Parent | (1,194,056) | 1,058,033 | (1,194,056) | 1,058,033 | 4,595,955 | |||||||||||||||||||||||||
| License Agreement, Agreed Fee Value | 10,000,000 | 11,000,000 | ||||||||||||||||||||||||||||
| Initial License Fees Received | 3,000,000 | 3,000,000 | 3,000,000 | |||||||||||||||||||||||||||
| Additional License Fee Receivable Upon Completion Of Certain Conditions | 7,000,000 | |||||||||||||||||||||||||||||
| Foreign Withholding Tax | 20.00% | 20.00% | ||||||||||||||||||||||||||||
| Licenses Revenue | 2,400,000 | 3,200,000 | ||||||||||||||||||||||||||||
| License Fee Accrued | 7,800,000 | |||||||||||||||||||||||||||||
| Share Subscription Agreement, Shares Issued (in Shares) | 20,000,000 | |||||||||||||||||||||||||||||
| GDR Purchase Agreement, Aggregate Purchase Price | 16,200,000 | 16,200,000 | ||||||||||||||||||||||||||||
| GDR Purchase Agreement, GDR Issued (in Shares) | 1,495,845 | |||||||||||||||||||||||||||||
| Security Owned and Pledged as Collateral, Fair Value | $ 5,000,000 | |||||||||||||||||||||||||||||
| Maximum Period of Loan Agreement | 7 years | |||||||||||||||||||||||||||||