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Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Apr. 30, 2020
Apr. 30, 2019
Prepaid Expense and Other Assets, Current [Abstract]    
Prepaid hosting costs $ 12,228 $ 12,006
Deposits 1,857 1,268
Prepaid software subscription costs 3,104 4,326
Deferred stock-based compensation expense 0 784
Prepaid taxes 3,612  
Prepaid value added taxes 5,167 4,239
Other 6,655 8,249
Total prepaid expenses and other current assets $ 32,623 $ 30,872