Income Taxes (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($)
Income Taxes
GILTI income	$ 2.0

The amount of global intangible low-taxed income (GILTI) of foreign subsidiaries taxable under provisions of the Tax Cuts and Jobs Act of 2017.

No definition available.

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Namespace Prefix:	egan_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration