Note 1 - Basis of Presentation (Details Textual) - USD ($) $ in Thousands	3 Months Ended
Jan. 31, 2019	Jan. 31, 2018
Net Cash Provided by (Used in) Operating Activities, Total	$ (122,172)	$ (87,644)
Net Cash Provided by (Used in) Investing Activities, Total	$ 3,394	40,868
Accounting Standards Update 2016-18 [Member] \| New Accounting Pronouncement, Early Adoption, Effect [Member]
Net Cash Provided by (Used in) Operating Activities, Total		(5,100)
Net Cash Provided by (Used in) Investing Activities, Total		$ (200)

Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3536-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3521-108585

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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