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Accrued expenses (Detail) - USD ($) $ in Thousands	Jan. 31, 2019	Oct. 31, 2018
Schedule Of Accrued Liabilities [Line Items]
Wages payable	$ 756	$ 1,705
Accrued receipts	840	1,271
Other current liabilities	463	401
Totals	$ 2,059	$ 3,377

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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

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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).

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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.

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