Concentration of Risk (Tables)

3 Months Ended

Jul. 31, 2018

Risks and Uncertainties [Abstract]

Summary Of Percentage Of Sales

 The following table summarizes the percentage of sales to the Company's two largest customers for the three months ended July 31, 2018 and 2017:

	PERCENT OF NET SALES
	Three Months Ended
	July 31,
	2018	2017
Customer A	29.1	18.4
Customer B	18.7	13.9