Note 13 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions |
Jul. 31, 2019 |
Dec. 06, 2018 |
Oct. 31, 2018 |
|---|---|---|---|
| Letters of Credit Outstanding, Amount | $ 1.5 | ||
| Standby Letters of Credit [Member] | |||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 7.5 | ||
| Bank Account to Facilitate Administration of Claims [Member] | |||
| Restricted Cash, Total | 0.3 | $ 0.3 | |
| Accrued Liabilities and Other Liabilities [Member] | |||
| Self-insurance, Accrued Expenses for Claims Incurred But Not Reported and Estimated Losses Reported | 4.8 | 3.2 | |
| Self-insurance, Accrued Expenses for Health Claims Incurred But Not Reoprted | $ 1.5 | $ 1.0 |
| X | ||||||||||
- Definition The amount of accrued expenses for claims incurred but not reported and estimated losses reported. No definition available.
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| X | ||||||||||
- Definition The amount of accrued expenses for health claims incurred but not reported. No definition available.
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| X | ||||||||||
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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| X | ||||||||||
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
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