Transactions and Balances with Related Parties (Schedule of Compensation to Individuals Employed by Company) (Details) - Director [Member] € in Thousands	12 Months Ended
	Dec. 31, 2018 EUR (€) People	Dec. 31, 2017 EUR (€) People		Dec. 31, 2016 EUR (€) People
Disclosure of transactions between related parties [line items]
Number of people for short-term employee Benefits | People	2	2	[1]	2
Number of people for post employment Benefits | People	2	2	[1]	2
Number of people for Share-based payments | People	2	2	[1]	2
Short-term employee Benefits | €	€ 371	€ 377		€ 368
Post-employment Benefits | €	48	57		89
Share-based payments | €					[2]

[1] Including retired employees that were not employed throughout the entire year

[2] Less than 1 thousand