Operating Segments (Schedule of Revenues from Company's Operation in Italy and Spain) (Details) - EUR (€) € in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disclosure of geographical areas [line items]
Revenue	€ 9,645	€ 18,988	€ 18,117
Israel [Member]
Disclosure of geographical areas [line items]
Revenue	1,066	1,133	1,041
Netherland [Member]
Disclosure of geographical areas [line items]
Revenue	6,002	4,786	4,483
Italy [Member]
Disclosure of geographical areas [line items]
Revenue		10,082	9,560
Spain [Member]
Disclosure of geographical areas [line items]
Revenue	€ 2,577	€ 2,987	€ 3,033

The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details