Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands		Apr. 30, 2020	Oct. 31, 2019
Accrued Liabilities Current [Abstract]
Accrued payroll and employee benefits		$ 1,934	$ 2,282
Accrued product warranty cost	[1]	110	144
Accrued service agreement costs	[2]	4,011	4,047
Accrued legal, taxes, professional and other		4,850	4,979
Accrued liabilities		$ 10,905	$ 11,452

[1] Activity in the accrued product warranty costs represents reduction related to actual warranty activity as contracts progress through the warranty period or are beyond the warranty period and for the three months ended April 30, 2020 and 2019 was $0.01 million and $0.04 million, respectively, and for the six months ended April 30, 2020 and 2019 was $0.03 million and $0.08 million, respectively.

[2] The loss accruals on service contracts were $3.3 million as of October 31, 2019, which decreased to $3.0 million as of April 30, 2020. The accruals for performance guarantees increased from $0.8 million as of October 31, 2019 to $1.0 million as of April 30, 2020.