Note B - Seasonal Aspects	3 Months Ended
Mar. 31, 2023
Notes to Financial Statements
Seasonal Aspects [Text Block]	Note B ‑ Seasonal Aspects The results of operations for the three months ended March 31, 2023 and March 19, 2022 are not necessarily indicative of the results to be expected for the full year.

Disclose the fact that results for an interim period are not indicative of full year results.

No definition available.

Name:	esca_SeasonalAspectsTextBlock
Namespace Prefix:	esca_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration