Note 14 - Income Taxes - Expiration With Respect to Net Operating Losses (Details) $ in Thousands	12 Months Ended
Jun. 30, 2025 USD ($)
Domestic Tax Jurisdiction [Member]
Net deferred tax assets subject to expire	$ 607
Net operating losses subject to expire	10,000
Foreign Tax Jurisdiction [Member]
Net deferred tax assets subject to expire	468
Net operating losses subject to expire	$ 1,766

Amounts associated with deferred tax benefits on net operating losses for foreign taxing jurisdictions that are subject to expiration.

No definition available.

Name:	eth_NetOperatingLossCarryforwardsSubjectToExpire
Namespace Prefix:	eth_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration