Quarterly report pursuant to sections 13 or 15(d)

Income Taxes (Detail)

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Income Taxes (Detail) (USD $)
9 Months Ended 3 Months Ended
Jul. 31, 2011
Jul. 31, 2012
AUO
Proceeds from License Fees Received $ 2,400,000 $ 3,000,000
Payments Related To Tax Withholding For License Fees   $ 600,000