Consolidated Statement of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Consolidated Statement of Comprehensive Loss
Net loss	$ (101,025)	$ (89,107)	$ (77,568)
Foreign currency translation adjustments	(80)	(92)	(244)
Total comprehensive loss	$ (101,105)	$ (89,199)	$ (77,812)