Concentration of Risk (Tables)

6 Months Ended

Oct. 31, 2018

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 three- and six-months ended October 31, 2018 and 2017:

	Three Months Ended		Six Months Ended
	October 31,		October 31,
	2018	2017	2018	2017
Customer A	28.7	16.5	28.9	17.5
Customer B	17.5	12.7	18.1	13.3