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Fair Value Measurements - Reconciliation (Details)
$ in Thousands
12 Months Ended
Apr. 30, 2023
USD ($)
Reconciliation between beginning and ending balances of items measured at fair value on recurring basis  
Balance at the beginning of the period $ 143
Total fair value measurement adjustments (realized or unrealized) $ (143)
Included in selling, general and administrative Selling, general and administrative
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Balance at the beginning of the period $ 1,084
Total fair value measurement adjustments (realized or unrealized) $ 1,025
Included in selling, general and administrative Selling, general and administrative
Balance at the end of the period $ 2,109