Statement of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Jan. 31, 2019	Jan. 31, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (17,548)	$ (4,183)
Foreign currency translation adjustments	7	33
Total comprehensive loss	$ (17,541)	$ (4,150)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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