Note 15 - Stock-based Compensation (Details Textual) - USD ($) |
1 Months Ended | 2 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Dec. 05, 2018 |
Jan. 31, 2019 |
Oct. 31, 2018 |
Oct. 31, 2017 |
Oct. 31, 2016 |
|
| Share-based Payment Arrangement, Accelerated Cost | $ 600,000 | ||||
| Share-based Payment Arrangement, Expense | $ 280,632 | $ 362,345 | $ 109,424 | ||
| Equivalent Vested Options Rolled Forward from Predecessor to Successor | 2,783,479 | ||||
| Selling, General and Administrative Expenses [Member] | |||||
| Share-based Payment Arrangement, Expense | $ 100,000 | ||||
| X | ||||||||||
- Definition The numbers of equivalent vested options rolled forward from the Predecessor to the Successor. No definition available.
|
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost. No definition available.
|
| X | ||||||||||
- Details
|