Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Share-Based Payment (Schedule of Expenses Recognized in Financial Statements) (Details)

v3.8.0.1
Share-Based Payment (Schedule of Expenses Recognized in Financial Statements) (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure of terms and conditions of share-based payment arrangement [abstract]      
Expenses arising from share-based payment transactions € 5 € 3 € 7