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INVESTMENTS | 3 Months Ended
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Jan. 31, 2014
Investments Schedule [Abstract] |
Investment [Text Block] | 5. INVESTMENTS Short-term Investments At January 31, 2014, we had marketable securities consisting of certificates of deposit of approximately $2,450,000, which were classified as "available-for-sale securities" and reported at fair value. Investment in Videocon Our investment in Videocon is classified as an "available-for-sale security" and reported at fair value, with unrealized gains and losses excluded from operations and reported as a component of accumulated other comprehensive income (loss) in shareholders’ equity. The original cost basis of $16,200,000 was determined using the specific identification method. The fair value of the Videocon GDRs is based on the price on the Luxembourg Stock Exchange, which price is based on the underlying price of Videocon’s equity shares which are traded on stock exchanges in India with prices quoted in rupees. ASC 320 “Investments-Debt and Equity Securities” (“ASC 320”) and SEC guidance on other than temporary impairments of certain investments in equity securities requires an evaluation to determine if the decline in fair value of an investment is either temporary or other than temporary. Unless evidence exists to support a realizable value equal to or greater than the carrying cost of the investment, an other than temporary impairment should be recorded. At each reporting period we assess our investment in Videocon to determine if a decline that is other than temporary has occurred. In evaluating our investment in Videocon at October 31, 2013, we determined that based on both the duration and the continuing magnitude of the market price decline compared to the carrying cost basis of approximately $5,382,000, and the uncertainty of its recovery, a write-down of the investment of approximately $1,185,000 should be recorded as of October 31, 2013, and a new cost basis of approximately $4,197,000 should be established. An other than temporary impairment of approximately $12,003,000, on a cumulative basis, has been recorded as of October 31, 2013. The fair value of investment in Videocon as of January 31, 2014 and October 31, 2013, and the unrealized loss for the three month period ended January 31, 2014, are as follows:
| Investment in Videocon
Fair Value as of October 31, 2013 | $ | 4,197,341
Unrealized loss |  | 210,914
Fair Value as of January 31, 2014 | $ | 3,926,427
Investment in ZQX Advisors, LLC In August 2009, we entered into an Engagement Agreement with ZQX Advisors, LLC (“ZQX”) to assist us in seeking business opportunities and licenses for our electrophoretic display technology. Concurrently with entering into the Engagement Agreement, we acquired a 19.5% ownership interest in ZQX. On January 21, 2013, we terminated the Engagement Agreement with ZQX, but currently retain our 19.5% interest in ZQX. We have classified our interest in ZQX of approximately $48,000 as a reduction of additional paid-in capital within shareholders’ deficiency since this investment in ZQX consists entirely of our equity securities.

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- Definition The entire disclosure for investments, including all tables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 6 -Section 10 -Paragraph (c) -Subparagraph (1) + Details
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