Note 8 - Goodwill and Intangible Assets (Details Textual) - 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 |
|
| Amortization of Intangible Assets, Total | $ 700 | $ 7,000 | $ 1,900 | $ 11,838 | $ 3,800 |
| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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