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Accrued expenses (Detail) - USD ($) $ in Thousands	Apr. 30, 2017	Oct. 31, 2016
Schedule of Accrued Liabilities [Line Items]
Wages payable	$ 690	$ 941
Accrued receipts	712	578
Earn-out liability	396	707
Other current liabilities	378	544
Totals	$ 2,176	$ 2,770

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- Definition

A reserve for the amount of payments owed to an Entity from the sale of an Entity or business, based on future sales or revenues, which the selling entity deems uncollectible.

+ References

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- Definition

Receipts of a regulator resulting in capitalization or accrual of prepayments received from customers for goods or services to be provided in the future.

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Schedule of Accrued Liabilities [Line Items]

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6911-107765

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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