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Note 1 - Basis of Presentation (Details Textual) $ / shares in Units, $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Mar. 29, 2019 $ / shares | Jul. 31, 2019 USD ($) $ / shares | Jul. 31, 2018 USD ($) | Oct. 31, 2018 $ / shares
Net Cash Provided by (Used in) Operating Activities, Total |  | $ (258,058) | $ (96,583) |
Net Cash Provided by (Used in) Investing Activities, Total |  | $ (9,508) | 38,290 |
Common Class A [Member] |  |  |  |
Common Stock, Par or Stated Value Per Share | $ / shares | $ 0.01 | $ 0.01 |  | $ 0.01
Common Class B [Member] |  |  |  |
Common Stock, Par or Stated Value Per Share | $ / shares | $ 0.01 | $ 0.01 |  | $ 0.01
Reverse Stock Split [Member] |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 25 |  |  |
Reverse Stock Split [Member] | Common Class A [Member] |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 25 |  |  |
Reverse Stock Split [Member] | Common Class B [Member] |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 25 |  |  |
Accounting Standards Update 2016-18 [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] |  |  |  |
Net Cash Provided by (Used in) Operating Activities, Total |  |  | 1,000 |
Net Cash Provided by (Used in) Investing Activities, Total |  |  | $ 23,400 |
Consolidated Joint Venture [Member] |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  | 99.00% |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  | 1.00% |  |

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