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Quarterly Information (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2012 | Jul. 31, 2012 | Apr. 30, 2012 | Jan. 31, 2012 | Oct. 31, 2011 | Jul. 31, 2011 | Apr. 30, 2011 | Jan. 31, 2011 | Oct. 31, 2012 | Oct. 31, 2011 | Oct. 31, 2010
Revenues | $ 35,420 |  | $ 29,693 |  | $ 24,153 |  | $ 31,337 |  | $ 34,723 |  | $ 31,160 |  | $ 28,607 |  | $ 28,080 |  | $ 120,603 | [1] | $ 122,570 | [1] | $ 69,777 | [1]
Gross Profit | 878 |  | (2,738) |  | 201 |  | 2,104 |  | 439 |  | 137 |  | (10,870) |  | (2,316) |  | 445 |  | (12,610) |  | (18,653) |
Operating Income (Loss) | (8,418) |  | (10,511) |  | (7,757) |  | (5,443) |  | (7,884) |  | (7,359) |  | (19,822) |  | (10,612) |  | (32,129) |  | (45,677) |  | (54,365) |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | (11,519) |  | (10,010) |  | (8,363) |  | (6,014) |  | (7,129) |  | (7,830) |  | (20,008) |  | (11,007) |  | (35,906) |  | (45,974) |  | (56,326) |
Dividends, Preferred Stock | (800) |  | (800) |  | (801) |  | (800) |  | (800) |  | (800) |  | (800) |  | (800) |  | (3,201) |  | (3,200) |  | (3,201) |
Net Income (Loss) Available to Common Stockholders, Basic | $ (12,138) |  | $ (10,722) |  | $ (9,093) |  | $ (6,743) |  | $ (7,865) |  | $ (8,554) |  | $ (29,743) |  | $ (11,738) |  | $ (38,696) |  | $ (57,900) |  | $ (58,864) |
Earnings Per Share, Basic and Diluted | $ (0.07) | [2] | $ (0.06) | [2] | $ (0.06) | [2] | $ (0.05) | [2] | $ (0.06) | [2] | $ (0.07) | [2] | $ (0.24) | [2] | $ (0.10) | [2] | $ (0.23) | [2] | $ (0.47) | [2] |  |
[1] | (1) Includes revenue from a related party. Refer to Concentrations in note 1 to the financial statements.
[2] | The full year net loss to common shareholders basic and diluted share may not equal the sum of the quarters due to weighting of outstanding shares.

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