8. SEGMENT INFORMATION (Details Narrative)	3 Months Ended		9 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Feb. 28, 2018	Feb. 28, 2017
Five Largest Customers
Customers accounted for 10% or more of total revenues	93.00%	98.00%	93.00%	95.00%
Customer A
Customers accounted for 10% or more of total revenues	31.00%	91.00%	35.00%	59.00%
Customer B
Customers accounted for 10% or more of total revenues	25.00%		34.00%	15.00%
Customer C
Customers accounted for 10% or more of total revenues	16.00%		13.00%	13.00%
Customer D
Customers accounted for 10% or more of total revenues	12.00%