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Quarterly Information (Unaudited) (Tables) | 12 Months Ended
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Oct. 31, 2017
Quarterly Information Unaudited [Abstract] |
Schedule of Quarterly Financial Information | Selected unaudited financial data for each quarter of fiscal year 2017 and 2016 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, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 17,002 |  |  | $ | 20,417 |  |  | $ | 10,358 |  |  | $ | 47,889 |  |  |  | 95,666 |
Gross profit (loss) |  |  | 1,813 |  |  |  | 383 |  |  |  | (2,626 | ) |  |  | 3,164 |  |  |  | 2,734 |
Loss on operations |  |  | (10,928 | ) |  |  | (11,496 | ) |  |  | (14,330 | ) |  |  | (8,181 | ) |  |  | (44,935 | )
Net loss |  |  | (13,685 | ) |  |  | (13,238 | ) |  |  | (17,001 | ) |  |  | (9,979 | ) |  |  | (53,903 | )
Preferred stock dividends |  |  | (800 | ) |  |  | (800 | ) |  |  | (800 | ) |  |  | (800 | ) |  |  | (3,200 | )
Net loss to common stockholders |  |  | (14,485 | ) |  |  | (14,038 | ) |  |  | (17,801 | ) |  |  | (10,779 | ) |  |  | (57,103 | )
Net loss to common stockholders per basic and diluted common share (1) |  | $ | (0.39 | ) |  | $ | (0.33 | ) |  | $ | (0.31 | ) |  | $ | (0.17 | ) |  |  | (1.14 | )
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 stockholders |  |  | (12,512 | ) |  |  | (16,173 | ) |  |  | (11,810 | ) |  |  | (13,662 | ) |  |  | (54,157 | )
Net loss to common stockholders per basic and diluted common share (1) |  | $ | (0.48 | ) |  | $ | (0.56 | ) |  | $ | (0.38 | ) |  | $ | (0.41 | ) |  |  | (1.82 | )
(1) | The full year net loss to common stockholders 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=84173487&loc=d3e1280-108306 + Details
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