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Accrued expenses and other long-term liabilities (Detail 1) - USD ($) $ in Thousands	Jul. 31, 2018	Oct. 31, 2017
Level 1
Earn-out liability	$ 0	$ 0
Level 2
Earn-out liability	0	0
Level 3
Earn-out liability	$ 210	$ 236

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- Definition

Fair value portion of other liabilities.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Details

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- Details

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- Details

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