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Other Current Assets - Schedule of Other Current Assets (Details) - USD ($) $ in Thousands | Apr. 30, 2021 | Oct. 31, 2020
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Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] |  |  |
Advance payments to vendors | [1] | $ 3,102 | $ 1,954
Prepaid expenses and other | [2] | 7,215 | 4,352
Other current assets |  | $ 10,317 | $ 6,306
[1] | Advance payments to vendors relate to payments for inventory purchases ahead of receipt.
[2] | Primarily relates to other prepaid vendor expenses including insurance expense.

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