v3.24.0.1
Fair Value Measurement - Additional Information (Details) - USD ($)
Jan. 31, 2024
Apr. 30, 2023
Level 3    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Financial assets $ 0  
Financial liabilities 0  
Fair Value, Recurring Basis | Level 1    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash and cash equivalents $ 15,900,000 $ 22,000,000