Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands		Apr. 30, 2019	Oct. 31, 2018
Accrued Liabilities Current [Abstract]
Accrued payroll and employee benefits		$ 2,599	$ 2,550
Accrued product warranty cost	[1]	65	147
Accrued service agreement costs	[2]	4,267	2,029
Accrued legal, taxes, professional and other		4,023	2,906
Accrued liabilities		$ 10,954	$ 7,632

[1] Activity in the accrued product warranty costs for the six months ended April 30, 2019 represents reductions related to actual warranty spend of $0.08 million as contracts progress through the warranty period or are beyond the warranty period.

[2] The loss accruals on service contracts were $0.9 million as of October 31, 2018 which increased to $1.9 million as of April 30, 2019. The accruals for performance guarantees increased from $1.1 million as of October 31, 2018 to $2.4 million as of April 30, 2019. The changes in the accruals are a result of the impact of the adoption of Topic 606.