XML 36 R25.htm IDEA: XBRL DOCUMENT v3.21.1
Revenue and Revenue Recognition (Tables)
9 Months Ended
Feb. 28, 2021
Revenue from Contract with Customer [Abstract]  
Schedule of Sale of Revenues for Customer Categories

Sales to the following categories of customers for the nine months ended February 28(29), 2021 and 2020, respectively, were as follows:

 

Category   2021     2020  
End User Customers     85 %     88 %
Distributors     15 %     12 %