| Note 10 - Accrued Payroll and Payroll Expenses | 3 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Jan. 31, 2019 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Notes to Financial Statements | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accrued Payroll and Payroll Expenses [Text Block] | N ote  10 . Accrued Payroll and Payroll Expenses The following table summarizes accrued payroll and expenses at   January 31, 2019 for the Successor and at  October 31, 2018 for the Predecessor: 
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- Definition The entire disclosure for accrued payroll and payroll expenses. No definition available. 
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| X | ||||||||||
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- References No definition available. 
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