Debt instrument maturity date month and year.

No definition available.

Name:	geg_DebtInstrumentMaturityDateMonthAndYear
Namespace Prefix:	geg_
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Balance Type:	na
Period Type:	duration

- Definition

Inventory and equipment financing.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.

+ References

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Balance Type:	credit
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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

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Period Type:	instant

- 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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Balance Type:	na
Period Type:	duration

- Definition

Description of reference rate used for variable rate of debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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- Definition

The average effective interest rate during the reporting period.

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- Definition

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.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount of interest expense classified as other.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The effective interest rate at the end of the reporting period.

+ References

+ Details

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Period Type:	instant

- 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

+ Details

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- Details

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Borrowings - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
Borrowings - Additional Information (Details) - USD ($)	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2021	Mar. 10, 2021
Debt Instrument [Line Items]
Interest expense other borrowings	$ 30,000.00	$ 900,000	$ 900,000	$ 2,300,000
Additional paid-in-capital	3,309,704,000		$ 3,309,704,000		$ 3,307,613,000
MAST Capital
Debt Instrument [Line Items]
Convertible notes issued						$ 2,300,000
Additional paid-in-capital						$ 600,000
GP Corp. Note
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate			3.00%
Debt instrument description			three-month LIBOR plus 3.0% per annum
Secured notes, maturity month and year			2026-11
Equipment Financing Debt Agreements \| Operating Subsidiaries of DME Inc
Debt Instrument [Line Items]
Inventory and equipment financing			$ 4,600,000	$ 3,600,000
Equipment Financing Debt Agreements \| Minimum \| Operating Subsidiaries of DME Inc
Debt Instrument [Line Items]
Term of debt			1 year
Implicit interest rate			7.00%
Equipment Financing Debt Agreements \| Maximum \| Operating Subsidiaries of DME Inc
Debt Instrument [Line Items]
Term of debt			3 years
Implicit interest rate			8.00%
D M E Revolver
Debt Instrument [Line Items]
Borrowings outstanding	0		$ 0
Credit facility maximum borrowing capacity	$ 10,000,000		$ 10,000,000
Credit facility expiration date			Nov. 29, 2022
Debt Instrument, Basis Spread on Variable Rate			0.40%
Credit facility interest rate	3.90%		3.90%
Debt instrument description			the prime rate plus 0.4% per annum