Stock Options	12 Months Ended
Dec. 31, 2023
Stock Options
Stock Options	(8) Stock Options All of the Company’s incentive, stock options and equity-based compensation plans were terminated effective February 24, 2022 and, as such, there will be no further grants made pursuant these plans.There were no options outstanding at December 31, 2023 and 2022.

The entire disclosure for stock options available.

No definition available.

Name:	enzn_StockOptionsDisclosureTextBlock
Namespace Prefix:	enzn_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration