Concentration of Risk (Tables)

9 Months Ended

Jan. 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 nine months ended January 31, 2018 and 2017:

	PERCENT OF GROSS SALES
	Nine Months Ended
	January 31,
	2018	2017
Customer A	21.8	20.2
Customer B	14.4	15.9