v3.26.1
SUBSEQUENT EVENTS (Details)
$ / shares in Units, $ in Thousands
6 Months Ended
Aug. 14, 2026
USD ($)
shares
Apr. 01, 2026
shares
Jun. 30, 2026
USD ($)
Aug. 14, 2026
€ / shares
shares
Aug. 14, 2026
$ / shares
shares
Jun. 30, 2026
€ / shares
shares
Jun. 30, 2026
$ / shares
shares
Dec. 31, 2025
€ / shares
shares
Dec. 31, 2025
$ / shares
shares
SUBSEQUENT EVENTS                  
Common stock, par value (in EUR per share) | (per share)           € 0.13 $ 0.15 € 0.13 $ 0.15
Proceeds from capital increase | $     $ 19            
Common stock, shares outstanding (in shares)           37,527,950 37,527,950 37,481,986 37,481,986
Common stock, shares issued (in shares)           37,797,483 37,797,483 37,751,519 37,751,519
EIB Credit Facility, Tranche B | EIB Warrants, Tranche B                  
SUBSEQUENT EVENTS                  
Number of warrants issued   1,116,244              
SUBSEQUENT EVENTS                  
SUBSEQUENT EVENTS                  
Common stock, shares outstanding (in shares)       45,952,950 45,952,950        
SUBSEQUENT EVENTS | Underwritten public offering | American Depositary Shares                  
SUBSEQUENT EVENTS                  
Number of shares sold 8,425,000                
Entity Listing, Depository Receipt Ratio       1 1        
Common stock, par value (in EUR per share) | € / shares       € 0.13          
Shares Issued, Price Per Share | $ / shares         $ 4.75        
Proceeds from capital increase | $ $ 40,000                
Net proceeds from capital increase | $ 37,100                
Underwriting discounts and commissions | $ 2,400                
Offering expenses | $ 500                
SUBSEQUENT EVENTS | Underwriters' options | American Depositary Shares                  
SUBSEQUENT EVENTS                  
Number of shares callable by warrants       1,263,750 1,263,750        
Proceeds from capital increase | $ $ 0                
Term of options 30 days                
Option to purchase additional shares       1,263,750 1,263,750