Federal Income Taxes (Details Narrative) - USD ($)		12 Months Ended
Dec. 22, 2017	May 31, 2018	May 31, 2017
Increase in deferred taxes	$ 57,039	$ (772,380)	$ (1,002,267)
Description of operating loss carryforwards		expiring in fiscal year 2019 through fiscal year 2025
Internal Revenue Service (IRS) [Member]
NOL Carryforward		$ 1,575,000
Inception Through May 31, 2005 [Member]
NOL Carryforward		14,467,000
Utilization of NOL's accumulated		$ 225,000

Utilization of net operating loss accumulated.

No definition available.

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Namespace Prefix:	GLGI_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319

+ Details

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- Definition

A description of the limitations on the use of all operating loss carryforwards available to reduce future taxable income.

+ References

No definition available.

+ Details

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- Details

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- Details

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