Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands		Jan. 31, 2021	Oct. 31, 2020
Accrued Liabilities Current [Abstract]
Accrued payroll and employee benefits		$ 1,955	$ 4,461
Accrued product warranty cost	[1]	91	97
Accrued service agreement and PPA costs	[2]	5,853	7,037
Accrued legal, taxes, professional and other	[3]	2,864	4,086
Accrued liabilities		$ 10,763	$ 15,681

[1] The decrease in accrued product warranty cost represents a reduction related to actual warranty activity as contracts progress through the warranty period. Product warranty expense for the three months ended January 31, 2021 and 2020 was $0.01 million and $0.02 million, respectively.

[2] Accrued service agreement costs include loss accruals on service agreements of $5.5 million as of October 31, 2020, which decreased to $4.5 million as of January 31, 2021. The decrease is the result of a change in the timing of future module replacements. The accruals for performance guarantees, including PPA performance guarantees was $1.3 million as of January 31, 2021, which reflects a slight decrease from $1.4 million as of October 31, 2020

[3] Accrued legal, taxes, professional and other includes deferred director compensation of $0.8 million and $0.1 million as of January 31, 2021 and October 31, 2020, respectively, for cash compensation to be paid out in the future upon cessation of service on the Board of Directors for two Directors. The increase in deferred director compensation reflects the increase in the Company share price as of January 31, 2021 (compared to the Company’s share price as of October 31, 2020) as this compensation amount is based upon the current share price