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Credit Concentration (Tables)
12 Months Ended
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%