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

Share-Based Payment (Narrative) (Details)

v3.8.0.1
Share-Based Payment (Narrative) (Details)
1 Months Ended 12 Months Ended
Aug. 31, 2000
shares
Dec. 31, 1998
shares
Dec. 31, 2017
USD ($)
shares
yr
Dec. 31, 2016
USD ($)
shares
yr
Dec. 31, 2015
USD ($)
shares
yr
Dec. 31, 2017
EUR (€)
shares
yr
Dec. 31, 2016
EUR (€)
shares
yr
Dec. 31, 2015
EUR (€)
shares
yr
Dec. 31, 2014
EUR (€)
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]                  
Stock option reserve for grant     3,000 3,000 3,000        
Options outstanding     25,502 22,502 19,502 25,502 22,502 19,502 157,821
Exericse prices for share options outstanding | €           € 7.54 € 7.34 € 7.19 € 8.26
Bottom of range [Member]                  
Disclosure of terms and conditions of share-based payment arrangement [line items]                  
Weighted average remaining contractual life outstanding | yr       4.1 4.95   4.1 4.95  
Exericse prices for share options outstanding | $     $ 4.7 $ 4.7 $ 4.7        
Top of range [member]                  
Disclosure of terms and conditions of share-based payment arrangement [line items]                  
Weighted average remaining contractual life outstanding | yr     5.72 8.1 8.5 5.72 8.1 8.5  
Exericse prices for share options outstanding | $     $ 9.37 $ 9.37 $ 9.37        
1998 Plan [Member]                  
Disclosure of terms and conditions of share-based payment arrangement [line items]                  
Stock option expiration term   10 Years              
Stock option reserve for grant   75,000              
Stock option expiration date   December 8, 2008              
Stock option extended expiration date   December 8, 2018              
Options outstanding     25,502     25,502      
Ordinary shares available for future grants     32,083     32,083      
1998 Plan [Member] | Director [Member]                  
Disclosure of terms and conditions of share-based payment arrangement [line items]                  
Stock option reserve for grant     3,000 3,000 3,000        
2000 Plan [Member]                  
Disclosure of terms and conditions of share-based payment arrangement [line items]                  
Stock option expiration term 10 years                
Stock option reserve for grant 200,000                
Stock option expiration date August 31, 2018                
Stock option vesting term over a three year period                
Percentage of exercise price 80.00%                
Ordinary shares available for future grants     595,009     595,009