XML 17 R58.htm IDEA: XBRL DOCUMENT v3.20.1
Note 18 - Total Sales (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Revenue from External Customers by Geographic Areas [Table Text Block]
Primary geographical markets (€)   2019   2018   2017
Asia    
17,939
     
14,119
     
13,461
 
France    
11,350
     
11,577
     
10,573
 
United States    
5,194
     
2,048
     
1,748
 
Others geographical areas    
10,377
     
11,419
     
9,904
 
     
44,859
     
39,163
     
35,686
 
Disaggregation of Revenue [Table Text Block]
Timing of revenue recognition   2019   2018   2017
Products transferred at a point in time    
36,767
     
31,373
     
28,760
 
Products and services transferred over time    
8,092
     
7,790
     
6,927
 
     
44,859
     
39,163
     
35,686