Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 730
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483041/730-20-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 730
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483041/730-20-50-1

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

RESEARCH AND DEVELOPMENT (Narrative) (Details)	May 31, 2023	Dec. 17, 2021	Dec. 06, 2021
Hydrogen Technology [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Ownership percentage			100.00%
Energy Management System ("EMS") [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Ownership percentage		100.00%
CapNTrack [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Ownership percentage	51.00%	51.00%