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Loss Per Share (Tables) | 6 Months Ended
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Apr. 30, 2014
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The calculation of basic and diluted loss per share was as follows:
| Three Months Ended April 30, |  | Six Months Ended April 30,
| 2014 |  | 2013 |  | 2014 |  | 2013
Numerator |  |  |  |  |  |  |
Net loss | $ | (16,039 | ) |  | $ | (7,629 | ) |  | $ | (26,854 | ) |  | $ | (19,508 | )
Net loss attributable to noncontrolling interest | 196 |  |  | 264 |  |  | 407 |  |  | 462 |
Preferred stock dividend | (800 | ) |  | (800 | ) |  | (1,600 | ) |  | (1,600 | )
Net loss attributable to common shareholders | $ | (16,643 | ) |  | $ | (8,165 | ) |  | $ | (28,047 | ) |  | $ | (20,646 | )
Denominator |  |  |  |  |  |  |
Weighted average basic common shares | 243,289,058 |  |  | 190,431,554 |  |  | 221,609,975 |  |  | 188,968,577 |
Effect of dilutive securities (1) | — |  |  | — |  |  | — |  |  | — |
Weighted average diluted common shares | 243,289,058 |  |  | 190,431,554 |  |  | 221,609,975 |  |  | 188,968,577 |
Basic loss per share | $ | (0.07 | ) |  | $ | (0.04 | ) |  | $ | (0.13 | ) |  | $ | (0.11 | )
Diluted loss per share (1) | $ | (0.07 | ) |  | $ | (0.04 | ) |  | $ | (0.13 | ) |  | $ | (0.11 | )
(1) | Diluted loss per share was computed without consideration to potentially dilutive instruments as their inclusion would have been antidilutive. Potentially dilutive instruments include stock options, unvested restricted stock awards, convertible preferred stock, senior unsecured convertible notes and warrants. At April 30, 2014 and 2013, there were options to purchase 3.1 million shares of common stock.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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