Note 11 - Other Current Liabilities (Details Textual) - USD ($) $ in Millions	Mar. 31, 2024	Aug. 01, 2022
Sale Lease Back Transaction Deferred Liabilities	$ 0.9	$ 5.2

Represents sale lease back transaction deferred liabilities.

No definition available.

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