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Quarterly Information (Unaudited) (Tables) | 12 Months Ended
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Oct. 31, 2015
Schedule of Quarterly Financial Information [Table Text Block] | Selected unaudited financial data for each quarter of fiscal year 2016 and 2015 is presented below. We believe that the information reflects all normal recurring adjustments necessary for a fair presentation of the information for the periods presented. (in thousands)
|  | First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter |  | Full Year
Year ended October 31, 2016 |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 33,482 |  |  | $ | 28,581 |  |  | $ | 21,716 |  |  | $ | 24,473 |  |  | 108,252 |
Gross (loss) profit |  | (166 | ) |  | (157 | ) |  | 434 |  |  | (468 | ) |  | (357 | )
Loss on operations |  | (11,517 | ) |  | (12,708 | ) |  | (10,323 | ) |  | (11,805 | ) |  | (46,353 | )
Net loss |  | (11,779 | ) |  | (15,414 | ) |  | (11,067 | ) |  | (12,948 | ) |  | (51,208 | )
Preferred stock dividends |  | (800 | ) |  | (800 | ) |  | (800 | ) |  | (800 | ) |  | (3,200 | )
Net loss to common shareholders |  | (12,512 | ) |  | (16,173 | ) |  | (11,810 | ) |  | (13,662 | ) |  | (54,157 | )
Net loss to common shareholders per basic and diluted common share (1) |  | $ | (0.48 | ) |  | $ | (0.56 | ) |  | $ | (0.38 | ) |  | $ | (0.41 | ) |  | (1.82 | )
Year ended October 31, 2015 |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 41,670 |  |  | $ | 28,600 |  |  | $ | 41,356 |  |  | $ | 51,451 |  |  | $ | 163,077 |
Gross profit |  | 4,014 |  |  | 2,023 |  |  | 3,595 |  |  | 3,144 |  |  | 12,776 |
Loss on operations |  | (5,130 | ) |  | (8,793 | ) |  | (7,103 | ) |  | (7,866 | ) |  | (28,892 | )
Net loss |  | (4,154 | ) |  | (9,997 | ) |  | (6,628 | ) |  | (8,905 | ) |  | (29,684 | )
Preferred stock dividends |  | (800 | ) |  | (800 | ) |  | (800 | ) |  | (800 | ) |  | (3,200 | )
Net loss to common shareholders |  | (4,866 | ) |  | (10,694 | ) |  | (7,339 | ) |  | (9,660 | ) |  | (32,559 | )
Net loss to common shareholders per basic and diluted common share (1) |  | $ | (0.20 | ) |  | $ | (0.44 | ) |  | $ | (0.29 | ) |  | $ | (0.38 | ) |  | (1.33 | )
(1) | 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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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1280-108306 + Details
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