INCOME TAXES (Tables)
|12 Months Ended|
May 31, 2018
|Income Tax Disclosure [Abstract]|
|Schedule of Deferred Tax Assets and Liabilities [Table Text Block]||
The tax effects of the temporary differences that give rise to the Company’s estimated deferred tax assets and liabilities are as follows:
Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef