COMMITMENTS AND CONTINGENCIES (Tables)
|12 Months Ended|
May 31, 2019
|Commitments and Contingencies Disclosure [Abstract]|
|Lessee, Operating Lease, Liability, Maturity [Table Text Block]||
Five-year minimum lease payments under current lease agreements as of May 31, 2019 are as follows:
Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.
Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef