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Credit Concentration (Tables) | 12 Months Ended
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Apr. 30, 2020
Risks and Uncertainties [Abstract] |
Summary Of Percentage Of Sales | The following table summarizes the percentage of net sales to the Company's two largest customers for the last three fiscal years:
| PERCENT OF ANNUAL NET SALES
| 2020 |  | 2019 |  | 2018
Customer A | 29.3% |  | 29.3% |  | 23.5%
Customer B | 17.2% |  | 18.6% |  | 16.0%

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