Represents the maximum amount of unauthorized distributions that the company can make as part of a debt covenant.

No definition available.

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- Definition

Represents debt service coverage ratio under debt instrument.

+ References

No definition available.

+ Details

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- Definition

Represents debt to tangible net worth ratio under debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	glgi_
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- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

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Balance Type:	debit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

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- Definition

Indicates type of variable interest rate on debt instrument.

+ References

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Note 6 - Long-term Debt (Details Textual)		3 Months Ended		12 Months Ended
Note 6 - Long-term Debt (Details Textual)	Feb. 05, 2025	Nov. 30, 2024 USD ($)	Nov. 30, 2023 USD ($)	May 31, 2024	Jul. 29, 2022 USD ($)	Aug. 23, 2021
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]		us-gaap:PrimeRateMember		us-gaap:PrimeRateMember
Amortization of Debt Issuance Costs		$ 2,579	$ 2,862
Debt Instrument, Debt Service Coverage Ratio						1.25
Debt Instrument, Debt to Tangible Net Worth Ratio						4
Long-Term Debt, Maturities, Repayments of Principal in Next Rolling 12 Months		2,245,185
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Two		2,305,530
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Three		7,266,254
Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Four		541,567
Minimum [Member]
Debt Instrument, Debt to Tangible Net Worth Ratio						3
Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 3,950,000			$ 6,000,000
Debt Instrument, Interest Rate, Stated Percentage		7.50%
Revolving Credit Facility [Member] \| Forecast [Member]
Debt Instrument, Interest Rate, Stated Percentage	6.50%
Debt Instrument, Basis Spread on Variable Rate	0.50%
Debt Interest [Member]
Debt Instrument, Interest Rate, Effective Percentage		7.75%
I B C Loan Agreement [Member]
Debt Instrument, Periodic Payment		$ 254,000
Debt Instrument, Covenant, Maximum Amount of Unauthorized Distributions		$ 1,000,000