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Benefit Plans 5 (Details) (USD $) | 12 Months Ended
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Oct. 31, 2013 | Oct. 31, 2012 | Oct. 31, 2011
Employee Stock Purchase Plan Disclosures [Line Items] |  |  |
Common Stock, Capital Shares Reserved for Future Issuance | 5,000,000 |  |
Weighted Average Expented Life Assumption for Employee Stock Purchase Plan | 0 years 6 months | 0 years 6 months | 0 years 6 months
Weighted Average Risk Free Interest Rate for Employee Stock Purchase Plan | 15.00% | 7.00% | 0.20%
Volatility for Employee Stock Purchase Plan | 75.00% | 92.00% | 90.50%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ 0.79 |  |
Weighted Average Dividend Yield for Employee Stock Purchase Plan | 0.00% | 0.00% | 0.00%
Employee Stock Purchase Plan [Member] |  |  |
Employee Stock Purchase Plan Disclosures [Line Items] |  |  |
Common Stock, Capital Shares Reserved for Future Issuance | 549,584 | 774,373 |
Stock Issuance Terms | 85.00% |  |
Stock Issued During Period, Shares, Employee Stock Purchase Plans | (224,789) |  |

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Number of shares issued during the period as a result of an employee stock purchase plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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