v3.25.4
Note 1 - General Information (Details Textual)
1 Months Ended 12 Months Ended
Aug. 01, 2025
USD ($)
$ / shares
shares
Aug. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
shares
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2023
USD ($)
Jun. 29, 2025
shares
Dec. 31, 2022
Statement Line Items [Line Items]              
Number of operating segments     1        
Number of reportable segments     1        
Number of shares issued and fully paid (in shares) | shares     150,834,000     113,215,000  
Proceeds from issue of ordinary shares | $     $ 59,194,000 $ 0 $ 0    
Reverse stock split, ratio 2            
Number of shares authorised (in shares) | shares     750,000,000 750,000,000      
Increase (decrease) through conversion of convertible instruments, equity | $     $ 0        
Reserve of equity component of convertible instruments | $     $ 0 $ 18,399,000      
Restricted stock units [member]              
Statement Line Items [Line Items]              
Reverse stock split, ratio 2            
Number of other equity instruments outstanding in share-based payment arrangement     193,148 200,046 201,939   235,109
Share options [member]              
Statement Line Items [Line Items]              
Reverse stock split, ratio 2            
BMC1 conversion rights [member]              
Statement Line Items [Line Items]              
Number of other equity instruments outstanding in share-based payment arrangement 13,643,618            
Number of shares issuable from share-based compensation arrangement awards 7,075,504            
Ordinary shares [member]              
Statement Line Items [Line Items]              
Number of shares issued and fully paid (in shares) | shares   34,500,000 34,500,000        
Share price (in dollars per share) | $ / shares   $ 37          
Proceeds from issue of ordinary shares | $   $ 1,212.7          
Offering costs | $   $ 3.5          
Number of shares authorised (in shares) | shares 750,000,000   750,000,000 0      
Par value per share (in dollars per share) | $ / shares $ 0.002            
Class A common shares [member]              
Statement Line Items [Line Items]              
Reverse stock split, ratio 2            
Number of shares authorised (in shares) | shares     0 500,000,000      
Class B preference shares [member]              
Statement Line Items [Line Items]              
Number of shares issued and fully paid (in shares) | shares     2,736,000        
Reverse stock split, ratio 2            
Number of shares authorised (in shares) | shares     0 125,000,000      
Number of shares converted 2,735,938            
Increase (decrease) through conversion of convertible instruments, equity | $ $ (47,900,000)            
Reserve of equity component of convertible instruments | $ $ 18,400,000