Accrued expenses and other long-term liabilities (Detail) - USD ($) $ in Thousands	Jan. 31, 2017	Oct. 31, 2016
Schedule of Accrued Liabilities [Line Items]
Wages payable	$ 613	$ 941
Accrued receipts	637	578
Earn-out liability	374	707
Other current liabilities	385	544
Totals	$ 2,009	$ 2,770