Note 17 - Segment Reporting - Revenue and Long-Lived Assets by Geographical Areas (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 5 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|---|---|
Dec. 05, 2018 |
Apr. 30, 2019 |
Apr. 30, 2018 |
Apr. 30, 2019 |
Apr. 30, 2018 |
Oct. 31, 2018 |
|
| Revenue | $ 24,396 | $ 61,988 | $ 56,404 | $ 95,958 | $ 109,206 | |
| Long Lived Assets | 244,864 | 244,864 | $ 201,915 | |||
| UNITED STATES | ||||||
| Revenue | 19,253 | 49,299 | 44,304 | 77,454 | 86,378 | |
| Long Lived Assets | 204,394 | 204,394 | 167,368 | |||
| Non-US [Member] | ||||||
| Revenue | $ 5,143 | 12,689 | $ 12,100 | 18,504 | $ 22,828 | |
| UNITED KINGDOM | ||||||
| Long Lived Assets | $ 40,470 | $ 40,470 | $ 34,547 | |||
| X | ||||||||||
- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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