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Description of Business and Basis of Presentation - Additional Information (Details) - Segment
3 Months Ended 12 Months Ended
Apr. 30, 2024
Apr. 30, 2023
Jan. 31, 2024
Organization Consolidation And Presentation Of Financial Statements [Line Items]      
Number of reporting segment 1    
Credit Concentration Risk | Accounts Receivable      
Organization Consolidation And Presentation Of Financial Statements [Line Items]      
Number of major customers no   no
Credit Concentration Risk | Accounts Receivable | Significant Customer      
Organization Consolidation And Presentation Of Financial Statements [Line Items]      
Concentration risk percentage 10.00%   10.00%
Customer Concentration Risk | Revenue      
Organization Consolidation And Presentation Of Financial Statements [Line Items]      
Number of major customers No No  
Customer Concentration Risk | Revenue | Significant Customer      
Organization Consolidation And Presentation Of Financial Statements [Line Items]      
Concentration risk percentage 10.00% 10.00%  
Geographic Concentration Risk | Revenue | United States      
Organization Consolidation And Presentation Of Financial Statements [Line Items]      
Concentration risk percentage 64.00% 66.00%  
Geographic Concentration Risk | Revenue | Japan      
Organization Consolidation And Presentation Of Financial Statements [Line Items]      
Concentration risk percentage 22.00% 21.00%