Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands		Jan. 31, 2020	Oct. 31, 2019
Accrued Liabilities Current [Abstract]
Accrued payroll and employee benefits		$ 1,293	$ 2,282
Accrued product warranty cost	[1]	125	144
Accrued service agreement costs	[2]	3,648	4,047
Accrued legal, taxes, professional and other		3,892	4,979
Accrued liabilities		$ 8,958	$ 11,452

[1] Activity in the accrued product warranty costs for the three months ended January 31, 2020 and 2019 represents reductions related to actual warranty spend of $0.02 million and $0.04 million, respectively, as contracts progress through the warranty period or are beyond the warranty period.

[2] The loss accruals on service contracts were $3.3 million as of October 31, 2019, which remained unchanged as of January 31, 2020. The accruals for performance guarantees decreased from $0.8 million as of October 31, 2019 to $0.3 million as of January 31, 2020, as a result of payments to customers.