XML 65 R55.htm IDEA: XBRL DOCUMENT v3.10.0.1
14. SEGMENT INFORMATION (Details Narrative)
3 Months Ended 6 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Nov. 30, 2018
Nov. 30, 2017
Five Largest Customers        
Customers accounted for 10% or more of total revenues 94.00% 94.00% 83.00% 96.00%
Customer A        
Customers accounted for 10% or more of total revenues 55.00% 43.00% 33.00% 43.00%
Customer B        
Customers accounted for 10% or more of total revenues 13.00% 34.00% 16.00% 39.00%
Customer C        
Customers accounted for 10% or more of total revenues 13.00%   15.00%  
Customer D        
Customers accounted for 10% or more of total revenues     13.00%