Annual report pursuant to Section 13 and 15(d)

INCOME TAXES (Details)

v3.20.2
INCOME TAXES (Details)
12 Months Ended
May 31, 2020
USD ($)
May 31, 2018
May 31, 2019
USD ($)
Income Tax Disclosure [Abstract]      
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Percent 0.21 0.34  
Operating Loss Carryforwards $ 12,087,758   $ 14,294,045