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Balance Sheet Details - Accrued and Other Current Liabilities (Details) - USD ($) $ in Thousands | Oct. 31, 2021 | Apr. 30, 2021
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Liability for common stock exercised prior to vesting |  | $ 3,183 | $ 5,331
Accrued general expenses |  | 6,345 | 3,588
Operating lease liabilities, current |  | 4,415 | 3,894
Commissions payable to a related party |  | 18,448 | 3,413
Other |  | 1,284 | 2,092
Accrued and other current liabilities | [1] | $ 33,675 | $ 18,318
[1] | Including amounts from a related party of $18,458 and $3,413 as of October 31, 2021 and April 30, 2021, respectively.

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