Note 7 - Property, Plant and Equipment (Details Textual) - USD ($) |
1 Months Ended | 2 Months Ended | 3 Months Ended | 12 Months Ended | 22 Months Ended | |
|---|---|---|---|---|---|---|
Dec. 05, 2018 |
Jan. 31, 2019 |
Jan. 31, 2018 |
Oct. 31, 2018 |
Oct. 31, 2017 |
Oct. 31, 2016 |
|
| Depreciation, Total | $ 2,100,000 | $ 3,500,000 | $ 4,000,000 | $ 17,718,814 | $ 19,338,884 | $ 16,635,995 |
| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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