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Schedule of Sale of Revenues for Customer Categories (Details) - Revenue from Contract with Customer Benchmark [Member] - Customer Concentration Risk [Member]
9 Months Ended
Feb. 28, 2022
Feb. 28, 2021
End User Customers [Member]    
Disaggregation of Revenue [Line Items]    
Total 74.00% 85.00%
Distributors [Member]    
Disaggregation of Revenue [Line Items]    
Total 26.00% 15.00%