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Earnings Per Share - Summary of Potentially Dilutive Stock-based Instruments (Details) - shares | 12 Months Ended
--- | ---
Apr. 30, 2023 | Apr. 30, 2022
Class of Stock [Line Items] |  |
Total common stock equivalents | 1,775,667 | 1,658,239
Stock options |  |
Class of Stock [Line Items] |  |
Total common stock equivalents | 1,775,667 | 1,658,239

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