Accrued expenses and other long-term liabilities (Detail) - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
Schedule of Accrued Liabilities [Line Items]
Wages payable	$ 855	$ 941
Accrued receipts	695	578
Earn-out liability	236	707
Other current liabilities	456	544
Totals	$ 2,242	$ 2,770