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Note 6 - Leases (Details Textual) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Aug. 01, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Short-Term Lease Commitment, Amount		$ 0		$ 0
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability				0
Sale Leaseback Transaction, Gross Proceeds, Investing Activities	$ 8,100
Sale and Leaseback Transaction, Gain (Loss), Net	1,800	655	$ 654	1,310	$ 2,911
Sale Lease Back Transaction Deferred Liabilities	$ 5,200	$ 1,500		$ 1,500
Minimum [Member]
Lessee, Finance Lease, Term of Contract (Year)		3 years		3 years
Maximum [Member]
Lessee, Finance Lease, Term of Contract (Year)		5 years		5 years

X

- Definition

Represents sale lease back transaction deferred liabilities.

+ References

No definition available.

+ Details

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Namespace Prefix:	eth_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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-Section 50
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-Publisher FASB
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X

- Definition

Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

+ References

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Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.

+ References

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

- Definition

Amount of cash inflow before closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in investing activities.

+ References

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X

- Definition

Amount of short-term lease commitment.

+ References

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-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
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-URI https://asc.fasb.org//1943274/2147478964/842-20-50-8

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