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Note 11 - Other Current Liabilities (Details Textual) - USD ($) $ in Millions | Dec. 31, 2023 | Aug. 01, 2022
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Sale Lease Back Transaction Deferred Liabilities | $ 1.5 | $ 5.2

X
- Definition Represents sale lease back transaction deferred liabilities. + References No definition available. + Details
Name: | eth_SaleLeaseBackTransactionDeferredLiabilities
Namespace Prefix: | eth_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant