Basis of Financial Statements (Details Narrative) - USD ($)	9 Months Ended
Feb. 28, 2023	Feb. 28, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Gain on deconsolidation of variable interest entity	$ 569,997

Gain on deconsolidation of variable interest entity.

No definition available.

Name:	GLGI_GainOnDeconsolidationOfVariableInterestEntity
Namespace Prefix:	GLGI_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration