- COMMITMENTS AND CONTINGENCIES (Details 2) (Unaudited) - USD ($)	6 Months Ended
Nov. 30, 2019	Nov. 30, 2018
Commitments And Contingencies Details Text [Abstract]
Operating lease cost	$ 34,465	$ 17,248
Weighted average remaining lease term - Operating leases (years)	2.5
Weighted average discount rate	$ 3

Description of lessee's finance lease that has not yet commenced. Including, but not limited to, nature of involvement with construction or design of underlying asset for lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

Name:	us-gaap_LesseeFinanceLeaseLeaseNotYetCommencedDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration