v3.26.3
Schedule of segment information (Details)
€ in Thousands, $ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2026
EUR (€)
Jun. 30, 2025
USD ($)
Jun. 30, 2025
EUR (€)
Dec. 31, 2025
EUR (€)
IfrsStatementLineItems [Line Items]          
Revenue from external customers   € 6,536   € 6,931  
Cost of sales   (4,630)   (4,864)  
Gross profit   1,906   2,067  
Other income   80   1  
Administration expenses   (4,945)   (4,486)  
Share-based payment expense   (762)   (438)  
Operating loss   (3,721)   (2,856)  
Net finance income / (costs)   (78)   93  
Loss before tax   (3,799)   (2,763)  
Income tax credit   65   (76)  
Loss for the period   (3,734)   (2,839) € (4,980)
LPG related Services [Member]          
IfrsStatementLineItems [Line Items]          
Revenue from external customers $ 7.2 6,167 $ 7.6 € 6,931  
Cost of sales   (4,426)      
Gross profit   1,741      
Other income   30      
Administration expenses   (2,575)      
Share-based payment expense        
Operating loss   (804)      
Net finance income / (costs)   (90)      
Loss before tax   (894)      
Income tax credit   65      
Loss for the period   (829)      
All other activities [member]          
IfrsStatementLineItems [Line Items]          
Revenue from external customers   369      
Cost of sales   (204)      
Gross profit   165      
Other income   50      
Administration expenses   (2,370)      
Share-based payment expense   (762)      
Operating loss   (2,917)      
Net finance income / (costs)   12      
Loss before tax   (2,905)      
Income tax credit        
Loss for the period   € (2,905)