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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $) | Apr. 30, 2013 | Oct. 31, 2012
--- | --- | ---
Preferred stock, par value (in Dollars per share) | $ 0.01 | $ 0.01 | [1]
Preferred stock, shares authorized | 100,000 | 100,000 | [1]
Preferred stock, shares issued | 5,600 | 5,600 | [1]
Preferred stock, liquidation preference (in Dollars per share) | $ 140,000 | $ 140,000 | [1]
Common Class A [Member] |  |  |
Common stock, par value (in Dollars per share) | $ 0.01 | $ 0.01 | [1]
Common stock, shares authorized | 400,000,000 | 400,000,000 | [1]
Common stock, shares issued | 136,244,962 | 130,055,304 | [1]
Common stock, shares held in Treasury | 11,760,763 | 11,760,763 | [1]
Common Class B [Member] |  |  |
Common stock, par value (in Dollars per share) | $ 0.01 | $ 0.01 | [1]
Common stock, shares authorized | 60,000,000 | 60,000,000 | [1]
Common stock, shares issued | 15,349,699 | 15,350,101 | [1]
Common stock, shares held in Treasury | 691,748 | 691,748 | [1]
[1] | Derived from the audited balance sheet as of October 31, 2012.

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 + Details
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